245453800

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{7817}}^1$

素因数の和:7990

約数の個数: 48

約数和(自身を含む): 574388460

約数和(自身を除く): 328934660

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 628, 785, 1256, 1570, 3140, 3925, 6280, 7817, 7850, 15634, 15700, 31268, 31400, 39085, 62536, 78170, 156340, 195425, 312680, 390850, 781700, 1227269, 1563400, 2454538, 4909076, 6136345, 9818152, 12272690, 24545380, 30681725, 49090760, 61363450, 122726900, 245453800]

約数ペア:

[(1, 245453800), (2, 122726900), (4, 61363450), (5, 49090760), (8, 30681725), (10, 24545380), (20, 12272690), (25, 9818152), (40, 6136345), (50, 4909076), (100, 2454538), (157, 1563400), (200, 1227269), (314, 781700), (628, 390850), (785, 312680), (1256, 195425), (1570, 156340), (3140, 78170), (3925, 62536), (6280, 39085), (7817, 31400), (7850, 31268), (15634, 15700)]