664308680

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{6917}}^1$

素因数の和:6956

約数の個数: 80

約数和(自身を含む): 1743958620

約数和(自身を除く): 1079649940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2401, 2744, 3430, 4802, 6860, 6917, 9604, 12005, 13720, 13834, 19208, 24010, 27668, 34585, 48020, 48419, 55336, 69170, 96040, 96838, 138340, 193676, 242095, 276680, 338933, 387352, 484190, 677866, 968380, 1355732, 1694665, 1936760, 2372531, 2711464, 3389330, 4745062, 6778660, 9490124, 11862655, 13557320, 16607717, 18980248, 23725310, 33215434, 47450620, 66430868, 83038585, 94901240, 132861736, 166077170, 332154340, 664308680]

約数ペア:

[(1, 664308680), (2, 332154340), (4, 166077170), (5, 132861736), (7, 94901240), (8, 83038585), (10, 66430868), (14, 47450620), (20, 33215434), (28, 23725310), (35, 18980248), (40, 16607717), (49, 13557320), (56, 11862655), (70, 9490124), (98, 6778660), (140, 4745062), (196, 3389330), (245, 2711464), (280, 2372531), (343, 1936760), (392, 1694665), (490, 1355732), (686, 968380), (980, 677866), (1372, 484190), (1715, 387352), (1960, 338933), (2401, 276680), (2744, 242095), (3430, 193676), (4802, 138340), (6860, 96838), (6917, 96040), (9604, 69170), (12005, 55336), (13720, 48419), (13834, 48020), (19208, 34585), (24010, 27668)]