238400320

素因数分解:

$2^6\times 5^1\times {\mathrm{745001}}^1$

素因数の和:745018

約数の個数: 28

約数和(自身を含む): 567691524

約数和(自身を除く): 329291204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 745001, 1490002, 2980004, 3725005, 5960008, 7450010, 11920016, 14900020, 23840032, 29800040, 47680064, 59600080, 119200160, 238400320]

約数ペア:

[(1, 238400320), (2, 119200160), (4, 59600080), (5, 47680064), (8, 29800040), (10, 23840032), (16, 14900020), (20, 11920016), (32, 7450010), (40, 5960008), (64, 3725005), (80, 2980004), (160, 1490002), (320, 745001)]