319862680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{73363}}^1$

素因数の和:73483

約数の個数: 32

約数和(自身を含む): 726303600

約数和(自身を除く): 406440920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 73363, 146726, 293452, 366815, 586904, 733630, 1467260, 2934520, 7996567, 15993134, 31986268, 39982835, 63972536, 79965670, 159931340, 319862680]

約数ペア:

[(1, 319862680), (2, 159931340), (4, 79965670), (5, 63972536), (8, 39982835), (10, 31986268), (20, 15993134), (40, 7996567), (109, 2934520), (218, 1467260), (436, 733630), (545, 586904), (872, 366815), (1090, 293452), (2180, 146726), (4360, 73363)]