31847620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2087}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 77172480

約数和(自身を除く): 45324860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2087, 2180, 3052, 3815, 4174, 7630, 8348, 10435, 14609, 15260, 20870, 29218, 41740, 58436, 73045, 146090, 227483, 292180, 454966, 909932, 1137415, 1592381, 2274830, 3184762, 4549660, 6369524, 7961905, 15923810, 31847620]

約数ペア:

[(1, 31847620), (2, 15923810), (4, 7961905), (5, 6369524), (7, 4549660), (10, 3184762), (14, 2274830), (20, 1592381), (28, 1137415), (35, 909932), (70, 454966), (109, 292180), (140, 227483), (218, 146090), (436, 73045), (545, 58436), (763, 41740), (1090, 29218), (1526, 20870), (2087, 15260), (2180, 14609), (3052, 10435), (3815, 8348), (4174, 7630)]