120847940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 258552000

約数和(自身を除く): 137704060

約数列:

[1, 2, 4, 5, 10, 20, 107, 149, 214, 298, 379, 428, 535, 596, 745, 758, 1070, 1490, 1516, 1895, 2140, 2980, 3790, 7580, 15943, 31886, 40553, 56471, 63772, 79715, 81106, 112942, 159430, 162212, 202765, 225884, 282355, 318860, 405530, 564710, 811060, 1129420, 6042397, 12084794, 24169588, 30211985, 60423970, 120847940]

約数ペア:

[(1, 120847940), (2, 60423970), (4, 30211985), (5, 24169588), (10, 12084794), (20, 6042397), (107, 1129420), (149, 811060), (214, 564710), (298, 405530), (379, 318860), (428, 282355), (535, 225884), (596, 202765), (745, 162212), (758, 159430), (1070, 112942), (1490, 81106), (1516, 79715), (1895, 63772), (2140, 56471), (2980, 40553), (3790, 31886), (7580, 15943)]