256880690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{39581}}^1$

素因数の和:39658

約数の個数: 32

約数和(自身を含む): 512982720

約数和(自身を除く): 256102030

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3245, 6490, 39581, 79162, 197905, 395810, 435391, 870782, 2176955, 2335279, 4353910, 4670558, 11676395, 23352790, 25688069, 51376138, 128440345, 256880690]

約数ペア:

[(1, 256880690), (2, 128440345), (5, 51376138), (10, 25688069), (11, 23352790), (22, 11676395), (55, 4670558), (59, 4353910), (110, 2335279), (118, 2176955), (295, 870782), (590, 435391), (649, 395810), (1298, 197905), (3245, 79162), (6490, 39581)]