308871472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{691}}^1$

素因数の和:1026

約数の個数: 80

約数和(自身を含む): 740008192

約数和(自身を除く): 431136720

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 307, 364, 614, 691, 728, 1228, 1382, 1456, 2149, 2456, 2764, 3991, 4298, 4837, 4912, 5528, 7982, 8596, 8983, 9674, 11056, 15964, 17192, 17966, 19348, 27937, 31928, 34384, 35932, 38696, 55874, 62881, 63856, 71864, 77392, 111748, 125762, 143728, 212137, 223496, 251524, 424274, 446992, 503048, 848548, 1006096, 1484959, 1697096, 2757781, 2969918, 3394192, 5515562, 5939836, 11031124, 11879672, 19304467, 22062248, 23759344, 38608934, 44124496, 77217868, 154435736, 308871472]

約数ペア:

[(1, 308871472), (2, 154435736), (4, 77217868), (7, 44124496), (8, 38608934), (13, 23759344), (14, 22062248), (16, 19304467), (26, 11879672), (28, 11031124), (52, 5939836), (56, 5515562), (91, 3394192), (104, 2969918), (112, 2757781), (182, 1697096), (208, 1484959), (307, 1006096), (364, 848548), (614, 503048), (691, 446992), (728, 424274), (1228, 251524), (1382, 223496), (1456, 212137), (2149, 143728), (2456, 125762), (2764, 111748), (3991, 77392), (4298, 71864), (4837, 63856), (4912, 62881), (5528, 55874), (7982, 38696), (8596, 35932), (8983, 34384), (9674, 31928), (11056, 27937), (15964, 19348), (17192, 17966)]