90435380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13183}}^1$

素因数の和:13213

約数の個数: 48

約数和(自身を含む): 221491200

約数和(自身を除く): 131055820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 13183, 26366, 52732, 65915, 92281, 131830, 184562, 263660, 369124, 461405, 645967, 922810, 1291934, 1845620, 2583868, 3229835, 4521769, 6459670, 9043538, 12919340, 18087076, 22608845, 45217690, 90435380]

約数ペア:

[(1, 90435380), (2, 45217690), (4, 22608845), (5, 18087076), (7, 12919340), (10, 9043538), (14, 6459670), (20, 4521769), (28, 3229835), (35, 2583868), (49, 1845620), (70, 1291934), (98, 922810), (140, 645967), (196, 461405), (245, 369124), (343, 263660), (490, 184562), (686, 131830), (980, 92281), (1372, 65915), (1715, 52732), (3430, 26366), (6860, 13183)]