2415220

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 5106024

約数和(自身を除く): 2690804

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 613, 788, 985, 1226, 1970, 2452, 3065, 3940, 6130, 12260, 120761, 241522, 483044, 603805, 1207610, 2415220]

約数ペア:

[(1, 2415220), (2, 1207610), (4, 603805), (5, 483044), (10, 241522), (20, 120761), (197, 12260), (394, 6130), (613, 3940), (788, 3065), (985, 2452), (1226, 1970)]