420017620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{173561}}^1$

素因数の和:173592

約数の個数: 36

約数和(自身を含む): 969517332

約数和(自身を除く): 549499712

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 173561, 347122, 694244, 867805, 1735610, 1909171, 3471220, 3818342, 7636684, 9545855, 19091710, 21000881, 38183420, 42001762, 84003524, 105004405, 210008810, 420017620]

約数ペア:

[(1, 420017620), (2, 210008810), (4, 105004405), (5, 84003524), (10, 42001762), (11, 38183420), (20, 21000881), (22, 19091710), (44, 9545855), (55, 7636684), (110, 3818342), (121, 3471220), (220, 1909171), (242, 1735610), (484, 867805), (605, 694244), (1210, 347122), (2420, 173561)]