9140500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 20271888

約数和(自身を除く): 11131388

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 181, 202, 250, 362, 404, 500, 505, 724, 905, 1010, 1810, 2020, 2525, 3620, 4525, 5050, 9050, 10100, 12625, 18100, 18281, 22625, 25250, 36562, 45250, 50500, 73124, 90500, 91405, 182810, 365620, 457025, 914050, 1828100, 2285125, 4570250, 9140500]

約数ペア:

[(1, 9140500), (2, 4570250), (4, 2285125), (5, 1828100), (10, 914050), (20, 457025), (25, 365620), (50, 182810), (100, 91405), (101, 90500), (125, 73124), (181, 50500), (202, 45250), (250, 36562), (362, 25250), (404, 22625), (500, 18281), (505, 18100), (724, 12625), (905, 10100), (1010, 9050), (1810, 5050), (2020, 4525), (2525, 3620)]