155432920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{204517}}^1$

素因数の和:204547

約数の個数: 32

約数和(自身を含む): 368132400

約数和(自身を除く): 212699480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 204517, 409034, 818068, 1022585, 1636136, 2045170, 3885823, 4090340, 7771646, 8180680, 15543292, 19429115, 31086584, 38858230, 77716460, 155432920]

約数ペア:

[(1, 155432920), (2, 77716460), (4, 38858230), (5, 31086584), (8, 19429115), (10, 15543292), (19, 8180680), (20, 7771646), (38, 4090340), (40, 3885823), (76, 2045170), (95, 1636136), (152, 1022585), (190, 818068), (380, 409034), (760, 204517)]