551418340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2506447}}^1$

素因数の和:2506467

約数の個数: 24

約数和(自身を含む): 1263249792

約数和(自身を除く): 711831452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2506447, 5012894, 10025788, 12532235, 25064470, 27570917, 50128940, 55141834, 110283668, 137854585, 275709170, 551418340]

約数ペア:

[(1, 551418340), (2, 275709170), (4, 137854585), (5, 110283668), (10, 55141834), (11, 50128940), (20, 27570917), (22, 25064470), (44, 12532235), (55, 10025788), (110, 5012894), (220, 2506447)]