140804540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{414131}}^1$

素因数の和:414157

約数の個数: 24

約数和(自身を含む): 313083792

約数和(自身を除く): 172279252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 414131, 828262, 1656524, 2070655, 4141310, 7040227, 8282620, 14080454, 28160908, 35201135, 70402270, 140804540]

約数ペア:

[(1, 140804540), (2, 70402270), (4, 35201135), (5, 28160908), (10, 14080454), (17, 8282620), (20, 7040227), (34, 4141310), (68, 2070655), (85, 1656524), (170, 828262), (340, 414131)]