201788680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{117319}}^1$

素因数の和:117373

約数の個数: 32

約数和(自身を含む): 464587200

約数和(自身を除く): 262798520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 117319, 234638, 469276, 586595, 938552, 1173190, 2346380, 4692760, 5044717, 10089434, 20178868, 25223585, 40357736, 50447170, 100894340, 201788680]

約数ペア:

[(1, 201788680), (2, 100894340), (4, 50447170), (5, 40357736), (8, 25223585), (10, 20178868), (20, 10089434), (40, 5044717), (43, 4692760), (86, 2346380), (172, 1173190), (215, 938552), (344, 586595), (430, 469276), (860, 234638), (1720, 117319)]