4721420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1951}}^1$

素因数の和:1982

約数の個数: 36

約数和(自身を含む): 10903872

約数和(自身を除く): 6182452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1951, 2420, 3902, 7804, 9755, 19510, 21461, 39020, 42922, 85844, 107305, 214610, 236071, 429220, 472142, 944284, 1180355, 2360710, 4721420]

約数ペア:

[(1, 4721420), (2, 2360710), (4, 1180355), (5, 944284), (10, 472142), (11, 429220), (20, 236071), (22, 214610), (44, 107305), (55, 85844), (110, 42922), (121, 39020), (220, 21461), (242, 19510), (484, 9755), (605, 7804), (1210, 3902), (1951, 2420)]