216342040

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{36299}}^1$

素因数の和:36459

約数の個数: 32

約数和(自身を含む): 490050000

約数和(自身を除く): 273707960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 36299, 72598, 145196, 181495, 290392, 362990, 725980, 1451960, 5408551, 10817102, 21634204, 27042755, 43268408, 54085510, 108171020, 216342040]

約数ペア:

[(1, 216342040), (2, 108171020), (4, 54085510), (5, 43268408), (8, 27042755), (10, 21634204), (20, 10817102), (40, 5408551), (149, 1451960), (298, 725980), (596, 362990), (745, 290392), (1192, 181495), (1490, 145196), (2980, 72598), (5960, 36299)]