74648020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1213}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 167036688

約数和(自身を除く): 92388668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 724, 905, 1213, 1810, 2426, 3077, 3620, 4852, 6065, 6154, 12130, 12308, 15385, 20621, 24260, 30770, 41242, 61540, 82484, 103105, 206210, 219553, 412420, 439106, 878212, 1097765, 2195530, 3732401, 4391060, 7464802, 14929604, 18662005, 37324010, 74648020]

約数ペア:

[(1, 74648020), (2, 37324010), (4, 18662005), (5, 14929604), (10, 7464802), (17, 4391060), (20, 3732401), (34, 2195530), (68, 1097765), (85, 878212), (170, 439106), (181, 412420), (340, 219553), (362, 206210), (724, 103105), (905, 82484), (1213, 61540), (1810, 41242), (2426, 30770), (3077, 24260), (3620, 20621), (4852, 15385), (6065, 12308), (6154, 12130)]