257386060

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{3191}}^1$

素因数の和:3346

約数の個数: 48

約数和(自身を含む): 560387520

約数和(自身を除く): 303001460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 545, 740, 1090, 2180, 3191, 4033, 6382, 8066, 12764, 15955, 16132, 20165, 31910, 40330, 63820, 80660, 118067, 236134, 347819, 472268, 590335, 695638, 1180670, 1391276, 1739095, 2361340, 3478190, 6956380, 12869303, 25738606, 51477212, 64346515, 128693030, 257386060]

約数ペア:

[(1, 257386060), (2, 128693030), (4, 64346515), (5, 51477212), (10, 25738606), (20, 12869303), (37, 6956380), (74, 3478190), (109, 2361340), (148, 1739095), (185, 1391276), (218, 1180670), (370, 695638), (436, 590335), (545, 472268), (740, 347819), (1090, 236134), (2180, 118067), (3191, 80660), (4033, 63820), (6382, 40330), (8066, 31910), (12764, 20165), (15955, 16132)]