258251380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{445261}}^1$

素因数の和:445299

約数の個数: 24

約数和(自身を含む): 561030120

約数和(自身を除く): 302778740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 445261, 890522, 1781044, 2226305, 4452610, 8905220, 12912569, 25825138, 51650276, 64562845, 129125690, 258251380]

約数ペア:

[(1, 258251380), (2, 129125690), (4, 64562845), (5, 51650276), (10, 25825138), (20, 12912569), (29, 8905220), (58, 4452610), (116, 2226305), (145, 1781044), (290, 890522), (580, 445261)]