239215540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{73379}}^1$

素因数の和:73551

約数の個数: 24

約数和(自身を含む): 505441440

約数和(自身を除く): 266225900

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 73379, 146758, 293516, 366895, 733790, 1467580, 11960777, 23921554, 47843108, 59803885, 119607770, 239215540]

約数ペア:

[(1, 239215540), (2, 119607770), (4, 59803885), (5, 47843108), (10, 23921554), (20, 11960777), (163, 1467580), (326, 733790), (652, 366895), (815, 293516), (1630, 146758), (3260, 73379)]