247987960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{2143}}^1$

素因数の和:2428

約数の個数: 64

約数和(自身を含む): 611297280

約数和(自身を除く): 363309320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 440, 526, 1052, 1315, 2104, 2143, 2630, 2893, 4286, 5260, 5786, 8572, 10520, 10715, 11572, 14465, 17144, 21430, 23144, 23573, 28930, 42860, 47146, 57860, 85720, 94292, 115720, 117865, 188584, 235730, 471460, 563609, 942920, 1127218, 2254436, 2818045, 4508872, 5636090, 6199699, 11272180, 12399398, 22544360, 24798796, 30998495, 49597592, 61996990, 123993980, 247987960]

約数ペア:

[(1, 247987960), (2, 123993980), (4, 61996990), (5, 49597592), (8, 30998495), (10, 24798796), (11, 22544360), (20, 12399398), (22, 11272180), (40, 6199699), (44, 5636090), (55, 4508872), (88, 2818045), (110, 2254436), (220, 1127218), (263, 942920), (440, 563609), (526, 471460), (1052, 235730), (1315, 188584), (2104, 117865), (2143, 115720), (2630, 94292), (2893, 85720), (4286, 57860), (5260, 47146), (5786, 42860), (8572, 28930), (10520, 23573), (10715, 23144), (11572, 21430), (14465, 17144)]