72404780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{517177}}^1$

素因数の和:517193

約数の個数: 24

約数和(自身を含む): 173771808

約数和(自身を除く): 101367028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 517177, 1034354, 2068708, 2585885, 3620239, 5171770, 7240478, 10343540, 14480956, 18101195, 36202390, 72404780]

約数ペア:

[(1, 72404780), (2, 36202390), (4, 18101195), (5, 14480956), (7, 10343540), (10, 7240478), (14, 5171770), (20, 3620239), (28, 2585885), (35, 2068708), (70, 1034354), (140, 517177)]