90199480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5281}}^1$

素因数の和:5360

約数の個数: 64

約数和(自身を含む): 235788480

約数和(自身を除く): 145589000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 5281, 8540, 10562, 17080, 21124, 26405, 36967, 42248, 52810, 73934, 105620, 147868, 184835, 211240, 295736, 322141, 369670, 644282, 739340, 1288564, 1478680, 1610705, 2254987, 2577128, 3221410, 4509974, 6442820, 9019948, 11274935, 12885640, 18039896, 22549870, 45099740, 90199480]

約数ペア:

[(1, 90199480), (2, 45099740), (4, 22549870), (5, 18039896), (7, 12885640), (8, 11274935), (10, 9019948), (14, 6442820), (20, 4509974), (28, 3221410), (35, 2577128), (40, 2254987), (56, 1610705), (61, 1478680), (70, 1288564), (122, 739340), (140, 644282), (244, 369670), (280, 322141), (305, 295736), (427, 211240), (488, 184835), (610, 147868), (854, 105620), (1220, 73934), (1708, 52810), (2135, 42248), (2440, 36967), (3416, 26405), (4270, 21124), (5281, 17080), (8540, 10562)]