90223970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3187}}^1$

素因数の和:3362

約数の個数: 32

約数和(自身を含む): 172152000

約数和(自身を除く): 81928030

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 745, 1490, 2831, 3187, 5662, 6374, 14155, 15935, 28310, 31870, 60553, 121106, 302765, 474863, 605530, 949726, 2374315, 4748630, 9022397, 18044794, 45111985, 90223970]

約数ペア:

[(1, 90223970), (2, 45111985), (5, 18044794), (10, 9022397), (19, 4748630), (38, 2374315), (95, 949726), (149, 605530), (190, 474863), (298, 302765), (745, 121106), (1490, 60553), (2831, 31870), (3187, 28310), (5662, 15935), (6374, 14155)]