260202040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{929293}}^1$

素因数の和:929311

約数の個数: 32

約数和(自身を含む): 669091680

約数和(自身を除く): 408889640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 929293, 1858586, 3717172, 4646465, 6505051, 7434344, 9292930, 13010102, 18585860, 26020204, 32525255, 37171720, 52040408, 65050510, 130101020, 260202040]

約数ペア:

[(1, 260202040), (2, 130101020), (4, 65050510), (5, 52040408), (7, 37171720), (8, 32525255), (10, 26020204), (14, 18585860), (20, 13010102), (28, 9292930), (35, 7434344), (40, 6505051), (56, 4646465), (70, 3717172), (140, 1858586), (280, 929293)]