858001880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{18701}}^1$

素因数の和:18780

約数の個数: 64

約数和(自身を含む): 2046746880

約数和(自身を除く): 1188745000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 4588, 5735, 9176, 11470, 18701, 22940, 37402, 45880, 74804, 93505, 149608, 187010, 374020, 579731, 691937, 748040, 1159462, 1383874, 2318924, 2767748, 2898655, 3459685, 4637848, 5535496, 5797310, 6919370, 11594620, 13838740, 21450047, 23189240, 27677480, 42900094, 85800188, 107250235, 171600376, 214500470, 429000940, 858001880]

約数ペア:

[(1, 858001880), (2, 429000940), (4, 214500470), (5, 171600376), (8, 107250235), (10, 85800188), (20, 42900094), (31, 27677480), (37, 23189240), (40, 21450047), (62, 13838740), (74, 11594620), (124, 6919370), (148, 5797310), (155, 5535496), (185, 4637848), (248, 3459685), (296, 2898655), (310, 2767748), (370, 2318924), (620, 1383874), (740, 1159462), (1147, 748040), (1240, 691937), (1480, 579731), (2294, 374020), (4588, 187010), (5735, 149608), (9176, 93505), (11470, 74804), (18701, 45880), (22940, 37402)]