147740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 317520

約数和(自身を除く): 169780

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 332, 356, 415, 445, 830, 890, 1660, 1780, 7387, 14774, 29548, 36935, 73870, 147740]

約数ペア:

[(1, 147740), (2, 73870), (4, 36935), (5, 29548), (10, 14774), (20, 7387), (83, 1780), (89, 1660), (166, 890), (178, 830), (332, 445), (356, 415)]