4247540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 9979200

約数和(自身を除く): 5731660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 449, 473, 860, 898, 946, 1796, 1892, 2245, 2365, 4490, 4730, 4939, 8980, 9460, 9878, 19307, 19756, 24695, 38614, 49390, 77228, 96535, 98780, 193070, 212377, 386140, 424754, 849508, 1061885, 2123770, 4247540]

約数ペア:

[(1, 4247540), (2, 2123770), (4, 1061885), (5, 849508), (10, 424754), (11, 386140), (20, 212377), (22, 193070), (43, 98780), (44, 96535), (55, 77228), (86, 49390), (110, 38614), (172, 24695), (215, 19756), (220, 19307), (430, 9878), (449, 9460), (473, 8980), (860, 4939), (898, 4730), (946, 4490), (1796, 2365), (1892, 2245)]