189318040

素因数分解:

$2^3\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{2221}}^1$

素因数の和:4363

約数の個数: 32

約数和(自身を含む): 426357360

約数和(自身を除く): 237039320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2131, 2221, 4262, 4442, 8524, 8884, 10655, 11105, 17048, 17768, 21310, 22210, 42620, 44420, 85240, 88840, 4732951, 9465902, 18931804, 23664755, 37863608, 47329510, 94659020, 189318040]

約数ペア:

[(1, 189318040), (2, 94659020), (4, 47329510), (5, 37863608), (8, 23664755), (10, 18931804), (20, 9465902), (40, 4732951), (2131, 88840), (2221, 85240), (4262, 44420), (4442, 42620), (8524, 22210), (8884, 21310), (10655, 17768), (11105, 17048)]