168989840

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{14177}}^1$

素因数の和:14339

約数の個数: 40

約数和(自身を含む): 395566200

約数和(自身を除く): 226576360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 14177, 28354, 56708, 70885, 113416, 141770, 226832, 283540, 567080, 1134160, 2112373, 4224746, 8449492, 10561865, 16898984, 21123730, 33797968, 42247460, 84494920, 168989840]

約数ペア:

[(1, 168989840), (2, 84494920), (4, 42247460), (5, 33797968), (8, 21123730), (10, 16898984), (16, 10561865), (20, 8449492), (40, 4224746), (80, 2112373), (149, 1134160), (298, 567080), (596, 283540), (745, 226832), (1192, 141770), (1490, 113416), (2384, 70885), (2980, 56708), (5960, 28354), (11920, 14177)]