2038100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:332

約数の個数: 36

約数和(自身を含む): 4491900

約数和(自身を除く): 2453800

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 229, 356, 445, 458, 890, 916, 1145, 1780, 2225, 2290, 4450, 4580, 5725, 8900, 11450, 20381, 22900, 40762, 81524, 101905, 203810, 407620, 509525, 1019050, 2038100]

約数ペア:

[(1, 2038100), (2, 1019050), (4, 509525), (5, 407620), (10, 203810), (20, 101905), (25, 81524), (50, 40762), (89, 22900), (100, 20381), (178, 11450), (229, 8900), (356, 5725), (445, 4580), (458, 4450), (890, 2290), (916, 2225), (1145, 1780)]