1238811160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{284131}}^1$

素因数の和:284251

約数の個数: 32

約数和(自身を含む): 2812906800

約数和(自身を除く): 1574095640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 284131, 568262, 1136524, 1420655, 2273048, 2841310, 5682620, 11365240, 30970279, 61940558, 123881116, 154851395, 247762232, 309702790, 619405580, 1238811160]

約数ペア:

[(1, 1238811160), (2, 619405580), (4, 309702790), (5, 247762232), (8, 154851395), (10, 123881116), (20, 61940558), (40, 30970279), (109, 11365240), (218, 5682620), (436, 2841310), (545, 2273048), (872, 1420655), (1090, 1136524), (2180, 568262), (4360, 284131)]