245166625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 352834560

約数和(自身を除く): 107667935

約数列:

[1, 5, 11, 25, 37, 55, 61, 79, 125, 185, 275, 305, 395, 407, 671, 869, 925, 1375, 1525, 1975, 2035, 2257, 2923, 3355, 4345, 4625, 4819, 7625, 9875, 10175, 11285, 14615, 16775, 21725, 24095, 24827, 32153, 50875, 53009, 56425, 73075, 83875, 108625, 120475, 124135, 160765, 178303, 265045, 282125, 365375, 602375, 620675, 803825, 891515, 1325225, 1961333, 3103375, 4019125, 4457575, 6626125, 9806665, 22287875, 49033325, 245166625]

約数ペア:

[(1, 245166625), (5, 49033325), (11, 22287875), (25, 9806665), (37, 6626125), (55, 4457575), (61, 4019125), (79, 3103375), (125, 1961333), (185, 1325225), (275, 891515), (305, 803825), (395, 620675), (407, 602375), (671, 365375), (869, 282125), (925, 265045), (1375, 178303), (1525, 160765), (1975, 124135), (2035, 120475), (2257, 108625), (2923, 83875), (3355, 73075), (4345, 56425), (4625, 53009), (4819, 50875), (7625, 32153), (9875, 24827), (10175, 24095), (11285, 21725), (14615, 16775)]