20198637900

素因数分解:

$2^2\times 3^4\times 5^2\times 7^2\times {\mathrm{50891}}^1$

素因数の和:50931

約数の個数: 270

約数和(自身を含む): 76167460908

約数和(自身を除く): 55968823008

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 49, 50, 54, 60, 63, 70, 75, 81, 84, 90, 98, 100, 105, 108, 126, 135, 140, 147, 150, 162, 175, 180, 189, 196, 210, 225, 245, 252, 270, 294, 300, 315, 324, 350, 378, 405, 420, 441, 450, 490, 525, 540, 567, 588, 630, 675, 700, 735, 756, 810, 882, 900, 945, 980, 1050, 1134, 1225, 1260, 1323, 1350, 1470, 1575, 1620, 1764, 1890, 2025, 2100, 2205, 2268, 2450, 2646, 2700, 2835, 2940, 3150, 3675, 3780, 3969, 4050, 4410, 4725, 4900, 5292, 5670, 6300, 6615, 7350, 7938, 8100, 8820, 9450, 11025, 11340, 13230, 14175, 14700, 15876, 18900, 19845, 22050, 26460, 28350, 33075, 39690, 44100, 50891, 56700, 66150, 79380, 99225, 101782, 132300, 152673, 198450, 203564, 254455, 305346, 356237, 396900, 458019, 508910, 610692, 712474, 763365, 916038, 1017820, 1068711, 1272275, 1374057, 1424948, 1526730, 1781185, 1832076, 2137422, 2290095, 2493659, 2544550, 2748114, 3053460, 3206133, 3562370, 3816825, 4122171, 4274844, 4580190, 4987318, 5089100, 5343555, 5496228, 6412266, 6870285, 7124740, 7480977, 7633650, 8244342, 8905925, 9160380, 9618399, 9974636, 10687110, 11450475, 12468295, 12824532, 13740570, 14961954, 15267300, 16030665, 16488684, 17811850, 19236798, 20610855, 21374220, 22442931, 22900950, 24936590, 26717775, 27481140, 28855197, 29923908, 32061330, 34351425, 35623700, 37404885, 38473596, 41221710, 44885862, 45801900, 48091995, 49873180, 53435550, 57710394, 62341475, 64122660, 67328793, 68702850, 74809770, 80153325, 82443420, 89771724, 96183990, 103054275, 106871100, 112214655, 115420788, 124682950, 134657586, 137405700, 144275985, 149619540, 160306650, 187024425, 192367980, 201986379, 206108550, 224429310, 240459975, 249365900, 269315172, 288551970, 320613300, 336643965, 374048850, 403972758, 412217100, 448858620, 480919950, 561073275, 577103940, 673287930, 721379925, 748097700, 807945516, 961839900, 1009931895, 1122146550, 1346575860, 1442759850, 1683219825, 2019863790, 2244293100, 2885519700, 3366439650, 4039727580, 5049659475, 6732879300, 10099318950, 20198637900]

約数ペア:

[(1, 20198637900), (2, 10099318950), (3, 6732879300), (4, 5049659475), (5, 4039727580), (6, 3366439650), (7, 2885519700), (9, 2244293100), (10, 2019863790), (12, 1683219825), (14, 1442759850), (15, 1346575860), (18, 1122146550), (20, 1009931895), (21, 961839900), (25, 807945516), (27, 748097700), (28, 721379925), (30, 673287930), (35, 577103940), (36, 561073275), (42, 480919950), (45, 448858620), (49, 412217100), (50, 403972758), (54, 374048850), (60, 336643965), (63, 320613300), (70, 288551970), (75, 269315172), (81, 249365900), (84, 240459975), (90, 224429310), (98, 206108550), (100, 201986379), (105, 192367980), (108, 187024425), (126, 160306650), (135, 149619540), (140, 144275985), (147, 137405700), (150, 134657586), (162, 124682950), (175, 115420788), (180, 112214655), (189, 106871100), (196, 103054275), (210, 96183990), (225, 89771724), (245, 82443420), (252, 80153325), (270, 74809770), (294, 68702850), (300, 67328793), (315, 64122660), (324, 62341475), (350, 57710394), (378, 53435550), (405, 49873180), (420, 48091995), (441, 45801900), (450, 44885862), (490, 41221710), (525, 38473596), (540, 37404885), (567, 35623700), (588, 34351425), (630, 32061330), (675, 29923908), (700, 28855197), (735, 27481140), (756, 26717775), (810, 24936590), (882, 22900950), (900, 22442931), (945, 21374220), (980, 20610855), (1050, 19236798), (1134, 17811850), (1225, 16488684), (1260, 16030665), (1323, 15267300), (1350, 14961954), (1470, 13740570), (1575, 12824532), (1620, 12468295), (1764, 11450475), (1890, 10687110), (2025, 9974636), (2100, 9618399), (2205, 9160380), (2268, 8905925), (2450, 8244342), (2646, 7633650), (2700, 7480977), (2835, 7124740), (2940, 6870285), (3150, 6412266), (3675, 5496228), (3780, 5343555), (3969, 5089100), (4050, 4987318), (4410, 4580190), (4725, 4274844), (4900, 4122171), (5292, 3816825), (5670, 3562370), (6300, 3206133), (6615, 3053460), (7350, 2748114), (7938, 2544550), (8100, 2493659), (8820, 2290095), (9450, 2137422), (11025, 1832076), (11340, 1781185), (13230, 1526730), (14175, 1424948), (14700, 1374057), (15876, 1272275), (18900, 1068711), (19845, 1017820), (22050, 916038), (26460, 763365), (28350, 712474), (33075, 610692), (39690, 508910), (44100, 458019), (50891, 396900), (56700, 356237), (66150, 305346), (79380, 254455), (99225, 203564), (101782, 198450), (132300, 152673)]