1621031660

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{367}}^1\times {\mathrm{821}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 3430304640

約数和(自身を除く): 1809272980

約数列:

[1, 2, 4, 5, 10, 20, 269, 367, 538, 734, 821, 1076, 1345, 1468, 1642, 1835, 2690, 3284, 3670, 4105, 5380, 7340, 8210, 16420, 98723, 197446, 220849, 301307, 394892, 441698, 493615, 602614, 883396, 987230, 1104245, 1205228, 1506535, 1974460, 2208490, 3013070, 4416980, 6026140, 81051583, 162103166, 324206332, 405257915, 810515830, 1621031660]

約数ペア:

[(1, 1621031660), (2, 810515830), (4, 405257915), (5, 324206332), (10, 162103166), (20, 81051583), (269, 6026140), (367, 4416980), (538, 3013070), (734, 2208490), (821, 1974460), (1076, 1506535), (1345, 1205228), (1468, 1104245), (1642, 987230), (1835, 883396), (2690, 602614), (3284, 493615), (3670, 441698), (4105, 394892), (5380, 301307), (7340, 220849), (8210, 197446), (16420, 98723)]