2389960

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 5427000

約数和(自身を除く): 3037040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 401, 596, 745, 802, 1192, 1490, 1604, 2005, 2980, 3208, 4010, 5960, 8020, 16040, 59749, 119498, 238996, 298745, 477992, 597490, 1194980, 2389960]

約数ペア:

[(1, 2389960), (2, 1194980), (4, 597490), (5, 477992), (8, 298745), (10, 238996), (20, 119498), (40, 59749), (149, 16040), (298, 8020), (401, 5960), (596, 4010), (745, 3208), (802, 2980), (1192, 2005), (1490, 1604)]