256098260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{2287}}^1$

素因数の和:2816

約数の個数: 48

約数和(自身を含む): 588107520

約数和(自身を除く): 332009260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 509, 1018, 2036, 2287, 2545, 4574, 5090, 5599, 9148, 10180, 11198, 11435, 22396, 22870, 25157, 27995, 45740, 50314, 55990, 100628, 111980, 125785, 251570, 503140, 1164083, 2328166, 4656332, 5820415, 11640830, 12804913, 23281660, 25609826, 51219652, 64024565, 128049130, 256098260]

約数ペア:

[(1, 256098260), (2, 128049130), (4, 64024565), (5, 51219652), (10, 25609826), (11, 23281660), (20, 12804913), (22, 11640830), (44, 5820415), (55, 4656332), (110, 2328166), (220, 1164083), (509, 503140), (1018, 251570), (2036, 125785), (2287, 111980), (2545, 100628), (4574, 55990), (5090, 50314), (5599, 45740), (9148, 27995), (10180, 25157), (11198, 22870), (11435, 22396)]