7189820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2971}}^1$

素因数の和:3002

約数の個数: 36

約数和(自身を含む): 16601592

約数和(自身を除く): 9411772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 2971, 5942, 11884, 14855, 29710, 32681, 59420, 65362, 130724, 163405, 326810, 359491, 653620, 718982, 1437964, 1797455, 3594910, 7189820]

約数ペア:

[(1, 7189820), (2, 3594910), (4, 1797455), (5, 1437964), (10, 718982), (11, 653620), (20, 359491), (22, 326810), (44, 163405), (55, 130724), (110, 65362), (121, 59420), (220, 32681), (242, 29710), (484, 14855), (605, 11884), (1210, 5942), (2420, 2971)]