152080420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{245291}}^1$

素因数の和:245331

約数の個数: 24

約数和(自身を含む): 329672448

約数和(自身を除く): 177592028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 245291, 490582, 981164, 1226455, 2452910, 4905820, 7604021, 15208042, 30416084, 38020105, 76040210, 152080420]

約数ペア:

[(1, 152080420), (2, 76040210), (4, 38020105), (5, 30416084), (10, 15208042), (20, 7604021), (31, 4905820), (62, 2452910), (124, 1226455), (155, 981164), (310, 490582), (620, 245291)]