4279280

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 10044000

約数和(自身を除く): 5764720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 359, 596, 718, 745, 1192, 1436, 1490, 1795, 2384, 2872, 2980, 3590, 5744, 5960, 7180, 11920, 14360, 28720, 53491, 106982, 213964, 267455, 427928, 534910, 855856, 1069820, 2139640, 4279280]

約数ペア:

[(1, 4279280), (2, 2139640), (4, 1069820), (5, 855856), (8, 534910), (10, 427928), (16, 267455), (20, 213964), (40, 106982), (80, 53491), (149, 28720), (298, 14360), (359, 11920), (596, 7180), (718, 5960), (745, 5744), (1192, 3590), (1436, 2980), (1490, 2872), (1795, 2384)]