71487310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1499}}^1$

素因数の和:1776

約数の個数: 32

約数和(自身を含む): 136080000

約数和(自身を除く): 64592690

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 251, 502, 1255, 1499, 2510, 2998, 4769, 7495, 9538, 14990, 23845, 28481, 47690, 56962, 142405, 284810, 376249, 752498, 1881245, 3762490, 7148731, 14297462, 35743655, 71487310]

約数ペア:

[(1, 71487310), (2, 35743655), (5, 14297462), (10, 7148731), (19, 3762490), (38, 1881245), (95, 752498), (190, 376249), (251, 284810), (502, 142405), (1255, 56962), (1499, 47690), (2510, 28481), (2998, 23845), (4769, 14990), (7495, 9538)]