157393910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{1009}}^1$

素因数の和:1856

約数の個数: 32

約数和(自身を含む): 298879200

約数和(自身を除く): 141485290

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 821, 1009, 1642, 2018, 4105, 5045, 8210, 10090, 15599, 19171, 31198, 38342, 77995, 95855, 155990, 191710, 828389, 1656778, 4141945, 8283890, 15739391, 31478782, 78696955, 157393910]

約数ペア:

[(1, 157393910), (2, 78696955), (5, 31478782), (10, 15739391), (19, 8283890), (38, 4141945), (95, 1656778), (190, 828389), (821, 191710), (1009, 155990), (1642, 95855), (2018, 77995), (4105, 38342), (5045, 31198), (8210, 19171), (10090, 15599)]