911378420

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{168151}}^1$

素因数の和:168431

約数の個数: 24

約数和(自身を含む): 1920968448

約数和(自身を除く): 1009590028

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 168151, 336302, 672604, 840755, 1681510, 3363020, 45568921, 91137842, 182275684, 227844605, 455689210, 911378420]

約数ペア:

[(1, 911378420), (2, 455689210), (4, 227844605), (5, 182275684), (10, 91137842), (20, 45568921), (271, 3363020), (542, 1681510), (1084, 840755), (1355, 672604), (2710, 336302), (5420, 168151)]