187970120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{361481}}^1$

素因数の和:361505

約数の個数: 32

約数和(自身を含む): 455467320

約数和(自身を除く): 267497200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 361481, 722962, 1445924, 1807405, 2891848, 3614810, 4699253, 7229620, 9398506, 14459240, 18797012, 23496265, 37594024, 46992530, 93985060, 187970120]

約数ペア:

[(1, 187970120), (2, 93985060), (4, 46992530), (5, 37594024), (8, 23496265), (10, 18797012), (13, 14459240), (20, 9398506), (26, 7229620), (40, 4699253), (52, 3614810), (65, 2891848), (104, 1807405), (130, 1445924), (260, 722962), (520, 361481)]