179620460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{631}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 387754752

約数和(自身を除く): 208134292

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 331, 430, 631, 662, 860, 1262, 1324, 1655, 2524, 3155, 3310, 6310, 6620, 12620, 14233, 27133, 28466, 54266, 56932, 71165, 108532, 135665, 142330, 208861, 271330, 284660, 417722, 542660, 835444, 1044305, 2088610, 4177220, 8981023, 17962046, 35924092, 44905115, 89810230, 179620460]

約数ペア:

[(1, 179620460), (2, 89810230), (4, 44905115), (5, 35924092), (10, 17962046), (20, 8981023), (43, 4177220), (86, 2088610), (172, 1044305), (215, 835444), (331, 542660), (430, 417722), (631, 284660), (662, 271330), (860, 208861), (1262, 142330), (1324, 135665), (1655, 108532), (2524, 71165), (3155, 56932), (3310, 54266), (6310, 28466), (6620, 27133), (12620, 14233)]