390996850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{6271}}^1$

素因数の和:6355

約数の個数: 48

約数和(自身を含む): 769950720

約数和(自身を除く): 378953870

約数列:

[1, 2, 5, 10, 25, 29, 43, 50, 58, 86, 145, 215, 290, 430, 725, 1075, 1247, 1450, 2150, 2494, 6235, 6271, 12470, 12542, 31175, 31355, 62350, 62710, 156775, 181859, 269653, 313550, 363718, 539306, 909295, 1348265, 1818590, 2696530, 4546475, 6741325, 7819937, 9092950, 13482650, 15639874, 39099685, 78199370, 195498425, 390996850]

約数ペア:

[(1, 390996850), (2, 195498425), (5, 78199370), (10, 39099685), (25, 15639874), (29, 13482650), (43, 9092950), (50, 7819937), (58, 6741325), (86, 4546475), (145, 2696530), (215, 1818590), (290, 1348265), (430, 909295), (725, 539306), (1075, 363718), (1247, 313550), (1450, 269653), (2150, 181859), (2494, 156775), (6235, 62710), (6271, 62350), (12470, 31355), (12542, 31175)]