138017560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{202967}}^1$

素因数の和:202995

約数の個数: 32

約数和(自身を含む): 328808160

約数和(自身を除く): 190790600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 202967, 405934, 811868, 1014835, 1623736, 2029670, 3450439, 4059340, 6900878, 8118680, 13801756, 17252195, 27603512, 34504390, 69008780, 138017560]

約数ペア:

[(1, 138017560), (2, 69008780), (4, 34504390), (5, 27603512), (8, 17252195), (10, 13801756), (17, 8118680), (20, 6900878), (34, 4059340), (40, 3450439), (68, 2029670), (85, 1623736), (136, 1014835), (170, 811868), (340, 405934), (680, 202967)]