247719580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{827}}^1\times {\mathrm{881}}^1$

素因数の和:1734

約数の個数: 48

約数和(自身を含む): 552103776

約数和(自身を除く): 304384196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 827, 881, 1654, 1762, 3308, 3524, 4135, 4405, 8270, 8810, 14059, 14977, 16540, 17620, 28118, 29954, 56236, 59908, 70295, 74885, 140590, 149770, 281180, 299540, 728587, 1457174, 2914348, 3642935, 7285870, 12385979, 14571740, 24771958, 49543916, 61929895, 123859790, 247719580]

約数ペア:

[(1, 247719580), (2, 123859790), (4, 61929895), (5, 49543916), (10, 24771958), (17, 14571740), (20, 12385979), (34, 7285870), (68, 3642935), (85, 2914348), (170, 1457174), (340, 728587), (827, 299540), (881, 281180), (1654, 149770), (1762, 140590), (3308, 74885), (3524, 70295), (4135, 59908), (4405, 56236), (8270, 29954), (8810, 28118), (14059, 17620), (14977, 16540)]