399621796130

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1259}}^1\times {\mathrm{120689}}^1$

素因数の和:122218

約数の個数: 32

約数和(自身を含む): 722633788800

約数和(自身を除く): 323011992670

約数列:

[1, 2, 5, 10, 263, 526, 1259, 1315, 2518, 2630, 6295, 12590, 120689, 241378, 331117, 603445, 662234, 1206890, 1655585, 3311170, 31741207, 63482414, 151947451, 158706035, 303894902, 317412070, 759737255, 1519474510, 39962179613, 79924359226, 199810898065, 399621796130]

約数ペア:

[(1, 399621796130), (2, 199810898065), (5, 79924359226), (10, 39962179613), (263, 1519474510), (526, 759737255), (1259, 317412070), (1315, 303894902), (2518, 158706035), (2630, 151947451), (6295, 63482414), (12590, 31741207), (120689, 3311170), (241378, 1655585), (331117, 1206890), (603445, 662234)]