139043240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{496583}}^1$

素因数の和:496601

約数の個数: 32

約数和(自身を含む): 357540480

約数和(自身を除く): 218497240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 496583, 993166, 1986332, 2482915, 3476081, 3972664, 4965830, 6952162, 9931660, 13904324, 17380405, 19863320, 27808648, 34760810, 69521620, 139043240]

約数ペア:

[(1, 139043240), (2, 69521620), (4, 34760810), (5, 27808648), (7, 19863320), (8, 17380405), (10, 13904324), (14, 9931660), (20, 6952162), (28, 4965830), (35, 3972664), (40, 3476081), (56, 2482915), (70, 1986332), (140, 993166), (280, 496583)]