1870290520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{94079}}^1$

素因数の和:94168

約数の個数: 64

約数和(自身を含む): 4877107200

約数和(自身を除く): 3006816680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 19880, 94079, 188158, 376316, 470395, 658553, 752632, 940790, 1317106, 1881580, 2634212, 3292765, 3763160, 5268424, 6585530, 6679609, 13171060, 13359218, 26342120, 26718436, 33398045, 46757263, 53436872, 66796090, 93514526, 133592180, 187029052, 233786315, 267184360, 374058104, 467572630, 935145260, 1870290520]

約数ペア:

[(1, 1870290520), (2, 935145260), (4, 467572630), (5, 374058104), (7, 267184360), (8, 233786315), (10, 187029052), (14, 133592180), (20, 93514526), (28, 66796090), (35, 53436872), (40, 46757263), (56, 33398045), (70, 26718436), (71, 26342120), (140, 13359218), (142, 13171060), (280, 6679609), (284, 6585530), (355, 5268424), (497, 3763160), (568, 3292765), (710, 2634212), (994, 1881580), (1420, 1317106), (1988, 940790), (2485, 752632), (2840, 658553), (3976, 470395), (4970, 376316), (9940, 188158), (19880, 94079)]