846320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 2008800

約数和(自身を除く): 1162480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 149, 284, 298, 355, 568, 596, 710, 745, 1136, 1192, 1420, 1490, 2384, 2840, 2980, 5680, 5960, 10579, 11920, 21158, 42316, 52895, 84632, 105790, 169264, 211580, 423160, 846320]

約数ペア:

[(1, 846320), (2, 423160), (4, 211580), (5, 169264), (8, 105790), (10, 84632), (16, 52895), (20, 42316), (40, 21158), (71, 11920), (80, 10579), (142, 5960), (149, 5680), (284, 2980), (298, 2840), (355, 2384), (568, 1490), (596, 1420), (710, 1192), (745, 1136)]