1881569300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{1721}}^1$

素因数の和:1806

約数の個数: 108

約数和(自身を含む): 4556580756

約数和(自身を除く): 2675011456

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 841, 1300, 1450, 1508, 1682, 1721, 1885, 2900, 3364, 3442, 3770, 4205, 6884, 7540, 8410, 8605, 9425, 10933, 16820, 17210, 18850, 21025, 21866, 22373, 34420, 37700, 42050, 43025, 43732, 44746, 49909, 54665, 84100, 86050, 89492, 99818, 109330, 111865, 172100, 199636, 218660, 223730, 249545, 273325, 447460, 499090, 546650, 559325, 648817, 998180, 1093300, 1118650, 1247725, 1297634, 1447361, 2237300, 2495450, 2595268, 2894722, 3244085, 4990900, 5789444, 6488170, 7236805, 12976340, 14473610, 16220425, 18815693, 28947220, 32440850, 36184025, 37631386, 64881700, 72368050, 75262772, 94078465, 144736100, 188156930, 376313860, 470392325, 940784650, 1881569300]

約数ペア:

[(1, 1881569300), (2, 940784650), (4, 470392325), (5, 376313860), (10, 188156930), (13, 144736100), (20, 94078465), (25, 75262772), (26, 72368050), (29, 64881700), (50, 37631386), (52, 36184025), (58, 32440850), (65, 28947220), (100, 18815693), (116, 16220425), (130, 14473610), (145, 12976340), (260, 7236805), (290, 6488170), (325, 5789444), (377, 4990900), (580, 3244085), (650, 2894722), (725, 2595268), (754, 2495450), (841, 2237300), (1300, 1447361), (1450, 1297634), (1508, 1247725), (1682, 1118650), (1721, 1093300), (1885, 998180), (2900, 648817), (3364, 559325), (3442, 546650), (3770, 499090), (4205, 447460), (6884, 273325), (7540, 249545), (8410, 223730), (8605, 218660), (9425, 199636), (10933, 172100), (16820, 111865), (17210, 109330), (18850, 99818), (21025, 89492), (21866, 86050), (22373, 84100), (34420, 54665), (37700, 49909), (42050, 44746), (43025, 43732)]