383140760

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{42953}}^1$

素因数の和:43187

約数の個数: 32

約数和(自身を含む): 865952640

約数和(自身を除く): 482811880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 42953, 85906, 171812, 214765, 343624, 429530, 859060, 1718120, 9578519, 19157038, 38314076, 47892595, 76628152, 95785190, 191570380, 383140760]

約数ペア:

[(1, 383140760), (2, 191570380), (4, 95785190), (5, 76628152), (8, 47892595), (10, 38314076), (20, 19157038), (40, 9578519), (223, 1718120), (446, 859060), (892, 429530), (1115, 343624), (1784, 214765), (2230, 171812), (4460, 85906), (8920, 42953)]