88986520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1123}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 229835520

約数和(自身を除く): 140849000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 566, 1123, 1132, 1415, 1981, 2246, 2264, 2830, 3962, 4492, 5615, 5660, 7861, 7924, 8984, 9905, 11230, 11320, 15722, 15848, 19810, 22460, 31444, 39305, 39620, 44920, 62888, 78610, 79240, 157220, 314440, 317809, 635618, 1271236, 1589045, 2224663, 2542472, 3178090, 4449326, 6356180, 8898652, 11123315, 12712360, 17797304, 22246630, 44493260, 88986520]

約数ペア:

[(1, 88986520), (2, 44493260), (4, 22246630), (5, 17797304), (7, 12712360), (8, 11123315), (10, 8898652), (14, 6356180), (20, 4449326), (28, 3178090), (35, 2542472), (40, 2224663), (56, 1589045), (70, 1271236), (140, 635618), (280, 317809), (283, 314440), (566, 157220), (1123, 79240), (1132, 78610), (1415, 62888), (1981, 44920), (2246, 39620), (2264, 39305), (2830, 31444), (3962, 22460), (4492, 19810), (5615, 15848), (5660, 15722), (7861, 11320), (7924, 11230), (8984, 9905)]