1400639140

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1\times {\mathrm{1277}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 2970000432

約数和(自身を除く): 1569361292

約数列:

[1, 2, 4, 5, 10, 20, 173, 317, 346, 634, 692, 865, 1268, 1277, 1585, 1730, 2554, 3170, 3460, 5108, 6340, 6385, 12770, 25540, 54841, 109682, 219364, 220921, 274205, 404809, 441842, 548410, 809618, 883684, 1096820, 1104605, 1619236, 2024045, 2209210, 4048090, 4418420, 8096180, 70031957, 140063914, 280127828, 350159785, 700319570, 1400639140]

約数ペア:

[(1, 1400639140), (2, 700319570), (4, 350159785), (5, 280127828), (10, 140063914), (20, 70031957), (173, 8096180), (317, 4418420), (346, 4048090), (634, 2209210), (692, 2024045), (865, 1619236), (1268, 1104605), (1277, 1096820), (1585, 883684), (1730, 809618), (2554, 548410), (3170, 441842), (3460, 404809), (5108, 274205), (6340, 220921), (6385, 219364), (12770, 109682), (25540, 54841)]