9157540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 22176000

約数和(自身を除く): 13018460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 439, 596, 745, 878, 1043, 1490, 1756, 2086, 2195, 2980, 3073, 4172, 4390, 5215, 6146, 8780, 10430, 12292, 15365, 20860, 30730, 61460, 65411, 130822, 261644, 327055, 457877, 654110, 915754, 1308220, 1831508, 2289385, 4578770, 9157540]

約数ペア:

[(1, 9157540), (2, 4578770), (4, 2289385), (5, 1831508), (7, 1308220), (10, 915754), (14, 654110), (20, 457877), (28, 327055), (35, 261644), (70, 130822), (140, 65411), (149, 61460), (298, 30730), (439, 20860), (596, 15365), (745, 12292), (878, 10430), (1043, 8780), (1490, 6146), (1756, 5215), (2086, 4390), (2195, 4172), (2980, 3073)]