20191091900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1349

約数の個数: 216

約数和(自身を含む): 52809494976

約数和(自身を除く): 32618403076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 49, 50, 70, 73, 94, 98, 100, 140, 146, 175, 188, 196, 235, 245, 292, 329, 350, 365, 470, 490, 511, 658, 700, 730, 940, 980, 1022, 1175, 1201, 1225, 1316, 1460, 1645, 1825, 2044, 2303, 2350, 2402, 2450, 2555, 3290, 3431, 3577, 3650, 4606, 4700, 4804, 4900, 5110, 6005, 6580, 6862, 7154, 7300, 8225, 8407, 9212, 10220, 11515, 12010, 12775, 13724, 14308, 16450, 16814, 17155, 17885, 23030, 24017, 24020, 25550, 30025, 32900, 33628, 34310, 35770, 42035, 46060, 48034, 51100, 56447, 57575, 58849, 60050, 68620, 71540, 84070, 85775, 87673, 89425, 96068, 112894, 115150, 117698, 120085, 120100, 168119, 168140, 171550, 175346, 178850, 210175, 225788, 230300, 235396, 240170, 282235, 294245, 336238, 343100, 350692, 357700, 395129, 420350, 438365, 480340, 564470, 588490, 600425, 613711, 672476, 790258, 840595, 840700, 876730, 1128940, 1176980, 1200850, 1227422, 1411175, 1471225, 1580516, 1681190, 1753460, 1975645, 2191825, 2401700, 2454844, 2765903, 2822350, 2942450, 3068555, 3362380, 3951290, 4120631, 4202975, 4295977, 4383650, 5531806, 5644700, 5884900, 6137110, 7902580, 8241262, 8405950, 8591954, 8767300, 9878225, 11063612, 12274220, 13829515, 15342775, 16482524, 16811900, 17183908, 19756450, 20603155, 21479885, 27659030, 28844417, 30685550, 39512900, 41206310, 42959770, 55318060, 57688834, 61371100, 69147575, 82412620, 85919540, 103015775, 107399425, 115377668, 138295150, 144222085, 201910919, 206031550, 214798850, 276590300, 288444170, 403821838, 412063100, 429597700, 576888340, 721110425, 807643676, 1009554595, 1442220850, 2019109190, 2884441700, 4038218380, 5047772975, 10095545950, 20191091900]

約数ペア:

[(1, 20191091900), (2, 10095545950), (4, 5047772975), (5, 4038218380), (7, 2884441700), (10, 2019109190), (14, 1442220850), (20, 1009554595), (25, 807643676), (28, 721110425), (35, 576888340), (47, 429597700), (49, 412063100), (50, 403821838), (70, 288444170), (73, 276590300), (94, 214798850), (98, 206031550), (100, 201910919), (140, 144222085), (146, 138295150), (175, 115377668), (188, 107399425), (196, 103015775), (235, 85919540), (245, 82412620), (292, 69147575), (329, 61371100), (350, 57688834), (365, 55318060), (470, 42959770), (490, 41206310), (511, 39512900), (658, 30685550), (700, 28844417), (730, 27659030), (940, 21479885), (980, 20603155), (1022, 19756450), (1175, 17183908), (1201, 16811900), (1225, 16482524), (1316, 15342775), (1460, 13829515), (1645, 12274220), (1825, 11063612), (2044, 9878225), (2303, 8767300), (2350, 8591954), (2402, 8405950), (2450, 8241262), (2555, 7902580), (3290, 6137110), (3431, 5884900), (3577, 5644700), (3650, 5531806), (4606, 4383650), (4700, 4295977), (4804, 4202975), (4900, 4120631), (5110, 3951290), (6005, 3362380), (6580, 3068555), (6862, 2942450), (7154, 2822350), (7300, 2765903), (8225, 2454844), (8407, 2401700), (9212, 2191825), (10220, 1975645), (11515, 1753460), (12010, 1681190), (12775, 1580516), (13724, 1471225), (14308, 1411175), (16450, 1227422), (16814, 1200850), (17155, 1176980), (17885, 1128940), (23030, 876730), (24017, 840700), (24020, 840595), (25550, 790258), (30025, 672476), (32900, 613711), (33628, 600425), (34310, 588490), (35770, 564470), (42035, 480340), (46060, 438365), (48034, 420350), (51100, 395129), (56447, 357700), (57575, 350692), (58849, 343100), (60050, 336238), (68620, 294245), (71540, 282235), (84070, 240170), (85775, 235396), (87673, 230300), (89425, 225788), (96068, 210175), (112894, 178850), (115150, 175346), (117698, 171550), (120085, 168140), (120100, 168119)]