199811220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 240

約数和(自身を含む): 696440640

約数和(自身を除く): 496629420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 73, 76, 84, 95, 98, 105, 114, 133, 140, 146, 147, 190, 196, 210, 219, 228, 245, 266, 285, 292, 294, 343, 365, 380, 399, 420, 438, 490, 511, 532, 570, 588, 665, 686, 730, 735, 798, 876, 931, 980, 1022, 1029, 1095, 1140, 1330, 1372, 1387, 1460, 1470, 1533, 1596, 1715, 1862, 1995, 2044, 2058, 2190, 2401, 2555, 2660, 2774, 2793, 2940, 3066, 3430, 3577, 3724, 3990, 4116, 4161, 4380, 4655, 4802, 5110, 5145, 5548, 5586, 6132, 6517, 6860, 6935, 7154, 7203, 7665, 7980, 8322, 9310, 9604, 9709, 10220, 10290, 10731, 11172, 12005, 13034, 13870, 13965, 14308, 14406, 15330, 16644, 17885, 18620, 19418, 19551, 20580, 20805, 21462, 24010, 25039, 26068, 27740, 27930, 28812, 29127, 30660, 32585, 35770, 36015, 38836, 39102, 41610, 42924, 45619, 48020, 48545, 50078, 53655, 55860, 58254, 65170, 67963, 71540, 72030, 75117, 78204, 83220, 91238, 97090, 97755, 100156, 107310, 116508, 125195, 130340, 135926, 136857, 144060, 145635, 150234, 175273, 182476, 194180, 195510, 203889, 214620, 228095, 250390, 271852, 273714, 291270, 300468, 339815, 350546, 375585, 391020, 407778, 456190, 475741, 500780, 525819, 547428, 582540, 679630, 684285, 701092, 751170, 815556, 876365, 912380, 951482, 1019445, 1051638, 1359260, 1368570, 1427223, 1502340, 1752730, 1902964, 2038890, 2103276, 2378705, 2629095, 2737140, 2854446, 3330187, 3505460, 4077780, 4757410, 5258190, 5708892, 6660374, 7136115, 9514820, 9990561, 10516380, 13320748, 14272230, 16650935, 19981122, 28544460, 33301870, 39962244, 49952805, 66603740, 99905610, 199811220]

約数ペア:

[(1, 199811220), (2, 99905610), (3, 66603740), (4, 49952805), (5, 39962244), (6, 33301870), (7, 28544460), (10, 19981122), (12, 16650935), (14, 14272230), (15, 13320748), (19, 10516380), (20, 9990561), (21, 9514820), (28, 7136115), (30, 6660374), (35, 5708892), (38, 5258190), (42, 4757410), (49, 4077780), (57, 3505460), (60, 3330187), (70, 2854446), (73, 2737140), (76, 2629095), (84, 2378705), (95, 2103276), (98, 2038890), (105, 1902964), (114, 1752730), (133, 1502340), (140, 1427223), (146, 1368570), (147, 1359260), (190, 1051638), (196, 1019445), (210, 951482), (219, 912380), (228, 876365), (245, 815556), (266, 751170), (285, 701092), (292, 684285), (294, 679630), (343, 582540), (365, 547428), (380, 525819), (399, 500780), (420, 475741), (438, 456190), (490, 407778), (511, 391020), (532, 375585), (570, 350546), (588, 339815), (665, 300468), (686, 291270), (730, 273714), (735, 271852), (798, 250390), (876, 228095), (931, 214620), (980, 203889), (1022, 195510), (1029, 194180), (1095, 182476), (1140, 175273), (1330, 150234), (1372, 145635), (1387, 144060), (1460, 136857), (1470, 135926), (1533, 130340), (1596, 125195), (1715, 116508), (1862, 107310), (1995, 100156), (2044, 97755), (2058, 97090), (2190, 91238), (2401, 83220), (2555, 78204), (2660, 75117), (2774, 72030), (2793, 71540), (2940, 67963), (3066, 65170), (3430, 58254), (3577, 55860), (3724, 53655), (3990, 50078), (4116, 48545), (4161, 48020), (4380, 45619), (4655, 42924), (4802, 41610), (5110, 39102), (5145, 38836), (5548, 36015), (5586, 35770), (6132, 32585), (6517, 30660), (6860, 29127), (6935, 28812), (7154, 27930), (7203, 27740), (7665, 26068), (7980, 25039), (8322, 24010), (9310, 21462), (9604, 20805), (9709, 20580), (10220, 19551), (10290, 19418), (10731, 18620), (11172, 17885), (12005, 16644), (13034, 15330), (13870, 14406), (13965, 14308)]