299772040

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{74201}}^1$

素因数の和:74313

約数の個数: 32

約数和(自身を含む): 681174360

約数和(自身を除く): 381402320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 74201, 148402, 296804, 371005, 593608, 742010, 1484020, 2968040, 7494301, 14988602, 29977204, 37471505, 59954408, 74943010, 149886020, 299772040]

約数ペア:

[(1, 299772040), (2, 149886020), (4, 74943010), (5, 59954408), (8, 37471505), (10, 29977204), (20, 14988602), (40, 7494301), (101, 2968040), (202, 1484020), (404, 742010), (505, 593608), (808, 371005), (1010, 296804), (2020, 148402), (4040, 74201)]