2947640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1249}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 6750000

約数和(自身を除く): 3802360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 1249, 2360, 2498, 4996, 6245, 9992, 12490, 24980, 49960, 73691, 147382, 294764, 368455, 589528, 736910, 1473820, 2947640]

約数ペア:

[(1, 2947640), (2, 1473820), (4, 736910), (5, 589528), (8, 368455), (10, 294764), (20, 147382), (40, 73691), (59, 49960), (118, 24980), (236, 12490), (295, 9992), (472, 6245), (590, 4996), (1180, 2498), (1249, 2360)]