905382400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5441}}^1$

素因数の和:5482

約数の個数: 120

約数和(自身を含む): 2416150044

約数和(自身を除く): 1510767644

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 1040, 1280, 1300, 1600, 1664, 2080, 2560, 2600, 3200, 3328, 4160, 5200, 5441, 6400, 6656, 8320, 10400, 10882, 12800, 16640, 20800, 21764, 27205, 33280, 41600, 43528, 54410, 70733, 83200, 87056, 108820, 136025, 141466, 166400, 174112, 217640, 272050, 282932, 348224, 353665, 435280, 544100, 565864, 696448, 707330, 870560, 1088200, 1131728, 1392896, 1414660, 1741120, 1768325, 2176400, 2263456, 2785792, 2829320, 3482240, 3536650, 4352800, 4526912, 5658640, 6964480, 7073300, 8705600, 9053824, 11317280, 13928960, 14146600, 17411200, 18107648, 22634560, 28293200, 34822400, 36215296, 45269120, 56586400, 69644800, 90538240, 113172800, 181076480, 226345600, 452691200, 905382400]

約数ペア:

[(1, 905382400), (2, 452691200), (4, 226345600), (5, 181076480), (8, 113172800), (10, 90538240), (13, 69644800), (16, 56586400), (20, 45269120), (25, 36215296), (26, 34822400), (32, 28293200), (40, 22634560), (50, 18107648), (52, 17411200), (64, 14146600), (65, 13928960), (80, 11317280), (100, 9053824), (104, 8705600), (128, 7073300), (130, 6964480), (160, 5658640), (200, 4526912), (208, 4352800), (256, 3536650), (260, 3482240), (320, 2829320), (325, 2785792), (400, 2263456), (416, 2176400), (512, 1768325), (520, 1741120), (640, 1414660), (650, 1392896), (800, 1131728), (832, 1088200), (1040, 870560), (1280, 707330), (1300, 696448), (1600, 565864), (1664, 544100), (2080, 435280), (2560, 353665), (2600, 348224), (3200, 282932), (3328, 272050), (4160, 217640), (5200, 174112), (5441, 166400), (6400, 141466), (6656, 136025), (8320, 108820), (10400, 87056), (10882, 83200), (12800, 70733), (16640, 54410), (20800, 43528), (21764, 41600), (27205, 33280)]