2991860

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{659}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 6320160

約数和(自身を除く): 3328300

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 659, 908, 1135, 1318, 2270, 2636, 3295, 4540, 6590, 13180, 149593, 299186, 598372, 747965, 1495930, 2991860]

約数ペア:

[(1, 2991860), (2, 1495930), (4, 747965), (5, 598372), (10, 299186), (20, 149593), (227, 13180), (454, 6590), (659, 4540), (908, 3295), (1135, 2636), (1318, 2270)]