207553480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{467}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 481178880

約数和(自身を除く): 273625400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 271, 328, 410, 467, 542, 820, 934, 1084, 1355, 1640, 1868, 2168, 2335, 2710, 3736, 4670, 5420, 9340, 10840, 11111, 18680, 19147, 22222, 38294, 44444, 55555, 76588, 88888, 95735, 111110, 126557, 153176, 191470, 222220, 253114, 382940, 444440, 506228, 632785, 765880, 1012456, 1265570, 2531140, 5062280, 5188837, 10377674, 20755348, 25944185, 41510696, 51888370, 103776740, 207553480]

約数ペア:

[(1, 207553480), (2, 103776740), (4, 51888370), (5, 41510696), (8, 25944185), (10, 20755348), (20, 10377674), (40, 5188837), (41, 5062280), (82, 2531140), (164, 1265570), (205, 1012456), (271, 765880), (328, 632785), (410, 506228), (467, 444440), (542, 382940), (820, 253114), (934, 222220), (1084, 191470), (1355, 153176), (1640, 126557), (1868, 111110), (2168, 95735), (2335, 88888), (2710, 76588), (3736, 55555), (4670, 44444), (5420, 38294), (9340, 22222), (10840, 19147), (11111, 18680)]