69457640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{248063}}^1$

素因数の和:248081

約数の個数: 32

約数和(自身を含む): 178606080

約数和(自身を除く): 109148440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 248063, 496126, 992252, 1240315, 1736441, 1984504, 2480630, 3472882, 4961260, 6945764, 8682205, 9922520, 13891528, 17364410, 34728820, 69457640]

約数ペア:

[(1, 69457640), (2, 34728820), (4, 17364410), (5, 13891528), (7, 9922520), (8, 8682205), (10, 6945764), (14, 4961260), (20, 3472882), (28, 2480630), (35, 1984504), (40, 1736441), (56, 1240315), (70, 992252), (140, 496126), (280, 248063)]