387320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 911520

約数和(自身を除く): 524200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 421, 460, 842, 920, 1684, 2105, 3368, 4210, 8420, 9683, 16840, 19366, 38732, 48415, 77464, 96830, 193660, 387320]

約数ペア:

[(1, 387320), (2, 193660), (4, 96830), (5, 77464), (8, 48415), (10, 38732), (20, 19366), (23, 16840), (40, 9683), (46, 8420), (92, 4210), (115, 3368), (184, 2105), (230, 1684), (421, 920), (460, 842)]