200765860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1\times {\mathrm{449}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 429408000

約数和(自身を除く): 228642140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 283, 316, 395, 449, 566, 790, 898, 1132, 1415, 1580, 1796, 2245, 2830, 4490, 5660, 8980, 22357, 35471, 44714, 70942, 89428, 111785, 127067, 141884, 177355, 223570, 254134, 354710, 447140, 508268, 635335, 709420, 1270670, 2541340, 10038293, 20076586, 40153172, 50191465, 100382930, 200765860]

約数ペア:

[(1, 200765860), (2, 100382930), (4, 50191465), (5, 40153172), (10, 20076586), (20, 10038293), (79, 2541340), (158, 1270670), (283, 709420), (316, 635335), (395, 508268), (449, 447140), (566, 354710), (790, 254134), (898, 223570), (1132, 177355), (1415, 141884), (1580, 127067), (1796, 111785), (2245, 89428), (2830, 70942), (4490, 44714), (5660, 35471), (8980, 22357)]