90992920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^2\times {\mathrm{223}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 207708480

約数和(自身を除く): 116715560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 223, 404, 446, 505, 808, 892, 1010, 1115, 1784, 2020, 2230, 4040, 4460, 8920, 10201, 20402, 22523, 40804, 45046, 51005, 81608, 90092, 102010, 112615, 180184, 204020, 225230, 408040, 450460, 900920, 2274823, 4549646, 9099292, 11374115, 18198584, 22748230, 45496460, 90992920]

約数ペア:

[(1, 90992920), (2, 45496460), (4, 22748230), (5, 18198584), (8, 11374115), (10, 9099292), (20, 4549646), (40, 2274823), (101, 900920), (202, 450460), (223, 408040), (404, 225230), (446, 204020), (505, 180184), (808, 112615), (892, 102010), (1010, 90092), (1115, 81608), (1784, 51005), (2020, 45046), (2230, 40804), (4040, 22523), (4460, 20402), (8920, 10201)]