204521970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{67499}}^1$

素因数の和:67610

約数の個数: 32

約数和(自身を含む): 495720000

約数和(自身を除く): 291198030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 505, 606, 1010, 1515, 3030, 67499, 134998, 202497, 337495, 404994, 674990, 1012485, 2024970, 6817399, 13634798, 20452197, 34086995, 40904394, 68173990, 102260985, 204521970]

約数ペア:

[(1, 204521970), (2, 102260985), (3, 68173990), (5, 40904394), (6, 34086995), (10, 20452197), (15, 13634798), (30, 6817399), (101, 2024970), (202, 1012485), (303, 674990), (505, 404994), (606, 337495), (1010, 202497), (1515, 134998), (3030, 67499)]