72991850

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 139946400

約数和(自身を除く): 66954550

約数列:

[1, 2, 5, 10, 25, 50, 59, 109, 118, 218, 227, 295, 454, 545, 590, 1090, 1135, 1475, 2270, 2725, 2950, 5450, 5675, 6431, 11350, 12862, 13393, 24743, 26786, 32155, 49486, 64310, 66965, 123715, 133930, 160775, 247430, 321550, 334825, 618575, 669650, 1237150, 1459837, 2919674, 7299185, 14598370, 36495925, 72991850]

約数ペア:

[(1, 72991850), (2, 36495925), (5, 14598370), (10, 7299185), (25, 2919674), (50, 1459837), (59, 1237150), (109, 669650), (118, 618575), (218, 334825), (227, 321550), (295, 247430), (454, 160775), (545, 133930), (590, 123715), (1090, 66965), (1135, 64310), (1475, 49486), (2270, 32155), (2725, 26786), (2950, 24743), (5450, 13393), (5675, 12862), (6431, 11350)]