2238920

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 5080320

約数和(自身を除く): 2841400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 251, 446, 502, 892, 1004, 1115, 1255, 1784, 2008, 2230, 2510, 4460, 5020, 8920, 10040, 55973, 111946, 223892, 279865, 447784, 559730, 1119460, 2238920]

約数ペア:

[(1, 2238920), (2, 1119460), (4, 559730), (5, 447784), (8, 279865), (10, 223892), (20, 111946), (40, 55973), (223, 10040), (251, 8920), (446, 5020), (502, 4460), (892, 2510), (1004, 2230), (1115, 2008), (1255, 1784)]