155982020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5623}}^1$

素因数の和:5724

約数の個数: 48

約数和(自身を含む): 349587840

約数和(自身を除く): 193605820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 5623, 6935, 11246, 13870, 22492, 27740, 28115, 56230, 106837, 112460, 213674, 410479, 427348, 534185, 820958, 1068370, 1641916, 2052395, 2136740, 4104790, 7799101, 8209580, 15598202, 31196404, 38995505, 77991010, 155982020]

約数ペア:

[(1, 155982020), (2, 77991010), (4, 38995505), (5, 31196404), (10, 15598202), (19, 8209580), (20, 7799101), (38, 4104790), (73, 2136740), (76, 2052395), (95, 1641916), (146, 1068370), (190, 820958), (292, 534185), (365, 427348), (380, 410479), (730, 213674), (1387, 112460), (1460, 106837), (2774, 56230), (5548, 28115), (5623, 27740), (6935, 22492), (11246, 13870)]