123378740

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{14723}}^1$

素因数の和:15151

約数の個数: 24

約数和(自身を含む): 259731360

約数和(自身を除く): 136352620

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 14723, 29446, 58892, 73615, 147230, 294460, 6168937, 12337874, 24675748, 30844685, 61689370, 123378740]

約数ペア:

[(1, 123378740), (2, 61689370), (4, 30844685), (5, 24675748), (10, 12337874), (20, 6168937), (419, 294460), (838, 147230), (1676, 73615), (2095, 58892), (4190, 29446), (8380, 14723)]