148998440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{86627}}^1$

素因数の和:86681

約数の個数: 32

約数和(自身を含む): 343046880

約数和(自身を除く): 194048440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 86627, 173254, 346508, 433135, 693016, 866270, 1732540, 3465080, 3724961, 7449922, 14899844, 18624805, 29799688, 37249610, 74499220, 148998440]

約数ペア:

[(1, 148998440), (2, 74499220), (4, 37249610), (5, 29799688), (8, 18624805), (10, 14899844), (20, 7449922), (40, 3724961), (43, 3465080), (86, 1732540), (172, 866270), (215, 693016), (344, 433135), (430, 346508), (860, 173254), (1720, 86627)]