206642920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1733}}^1$

素因数の和:2026

約数の個数: 64

約数和(自身を含む): 509379840

約数和(自身を除く): 302736920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 271, 440, 542, 1084, 1355, 1733, 2168, 2710, 2981, 3466, 5420, 5962, 6932, 8665, 10840, 11924, 13864, 14905, 17330, 19063, 23848, 29810, 34660, 38126, 59620, 69320, 76252, 95315, 119240, 152504, 190630, 381260, 469643, 762520, 939286, 1878572, 2348215, 3757144, 4696430, 5166073, 9392860, 10332146, 18785720, 20664292, 25830365, 41328584, 51660730, 103321460, 206642920]

約数ペア:

[(1, 206642920), (2, 103321460), (4, 51660730), (5, 41328584), (8, 25830365), (10, 20664292), (11, 18785720), (20, 10332146), (22, 9392860), (40, 5166073), (44, 4696430), (55, 3757144), (88, 2348215), (110, 1878572), (220, 939286), (271, 762520), (440, 469643), (542, 381260), (1084, 190630), (1355, 152504), (1733, 119240), (2168, 95315), (2710, 76252), (2981, 69320), (3466, 59620), (5420, 38126), (5962, 34660), (6932, 29810), (8665, 23848), (10840, 19063), (11924, 17330), (13864, 14905)]