630020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 36

約数和(自身を含む): 1418340

約数和(自身を除く): 788320

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 289, 340, 436, 545, 578, 1090, 1156, 1445, 1853, 2180, 2890, 3706, 5780, 7412, 9265, 18530, 31501, 37060, 63002, 126004, 157505, 315010, 630020]

約数ペア:

[(1, 630020), (2, 315010), (4, 157505), (5, 126004), (10, 63002), (17, 37060), (20, 31501), (34, 18530), (68, 9265), (85, 7412), (109, 5780), (170, 3706), (218, 2890), (289, 2180), (340, 1853), (436, 1445), (545, 1156), (578, 1090)]