74595640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{5437}}^1$

素因数の和:5469

約数の個数: 64

約数和(自身を含む): 195768000

約数和(自身を除く): 121172360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 5437, 6860, 10874, 13720, 21748, 27185, 38059, 43496, 54370, 76118, 108740, 152236, 190295, 217480, 266413, 304472, 380590, 532826, 761180, 1065652, 1332065, 1522360, 1864891, 2131304, 2664130, 3729782, 5328260, 7459564, 9324455, 10656520, 14919128, 18648910, 37297820, 74595640]

約数ペア:

[(1, 74595640), (2, 37297820), (4, 18648910), (5, 14919128), (7, 10656520), (8, 9324455), (10, 7459564), (14, 5328260), (20, 3729782), (28, 2664130), (35, 2131304), (40, 1864891), (49, 1522360), (56, 1332065), (70, 1065652), (98, 761180), (140, 532826), (196, 380590), (245, 304472), (280, 266413), (343, 217480), (392, 190295), (490, 152236), (686, 108740), (980, 76118), (1372, 54370), (1715, 43496), (1960, 38059), (2744, 27185), (3430, 21748), (5437, 13720), (6860, 10874)]