7357820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 16228128

約数和(自身を除く): 8870308

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 163, 185, 244, 305, 326, 370, 610, 652, 740, 815, 1220, 1630, 2257, 3260, 4514, 6031, 9028, 9943, 11285, 12062, 19886, 22570, 24124, 30155, 39772, 45140, 49715, 60310, 99430, 120620, 198860, 367891, 735782, 1471564, 1839455, 3678910, 7357820]

約数ペア:

[(1, 7357820), (2, 3678910), (4, 1839455), (5, 1471564), (10, 735782), (20, 367891), (37, 198860), (61, 120620), (74, 99430), (122, 60310), (148, 49715), (163, 45140), (185, 39772), (244, 30155), (305, 24124), (326, 22570), (370, 19886), (610, 12062), (652, 11285), (740, 9943), (815, 9028), (1220, 6031), (1630, 4514), (2257, 3260)]