280015690

素因数分解:

$2^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{42491}}^1$

素因数の和:43157

約数の個数: 16

約数和(自身を含む): 504804960

約数和(自身を除く): 224789270

約数列:

[1, 2, 5, 10, 659, 1318, 3295, 6590, 42491, 84982, 212455, 424910, 28001569, 56003138, 140007845, 280015690]

約数ペア:

[(1, 280015690), (2, 140007845), (5, 56003138), (10, 28001569), (659, 424910), (1318, 212455), (3295, 84982), (6590, 42491)]