154400620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{2609}}^1$

素因数の和:2898

約数の個数: 48

約数和(自身を含む): 355168800

約数和(自身を除く): 200768180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 269, 538, 1076, 1345, 2609, 2690, 2959, 5218, 5380, 5918, 10436, 11836, 13045, 14795, 26090, 28699, 29590, 52180, 57398, 59180, 114796, 143495, 286990, 573980, 701821, 1403642, 2807284, 3509105, 7018210, 7720031, 14036420, 15440062, 30880124, 38600155, 77200310, 154400620]

約数ペア:

[(1, 154400620), (2, 77200310), (4, 38600155), (5, 30880124), (10, 15440062), (11, 14036420), (20, 7720031), (22, 7018210), (44, 3509105), (55, 2807284), (110, 1403642), (220, 701821), (269, 573980), (538, 286990), (1076, 143495), (1345, 114796), (2609, 59180), (2690, 57398), (2959, 52180), (5218, 29590), (5380, 28699), (5918, 26090), (10436, 14795), (11836, 13045)]