2253980

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 4762800

約数和(自身を除く): 2508820

約数列:

[1, 2, 4, 5, 10, 20, 251, 449, 502, 898, 1004, 1255, 1796, 2245, 2510, 4490, 5020, 8980, 112699, 225398, 450796, 563495, 1126990, 2253980]

約数ペア:

[(1, 2253980), (2, 1126990), (4, 563495), (5, 450796), (10, 225398), (20, 112699), (251, 8980), (449, 5020), (502, 4490), (898, 2510), (1004, 2245), (1255, 1796)]