102509800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{7219}}^1$

素因数の和:7306

約数の個数: 48

約数和(自身を含む): 241725600

約数和(自身を除く): 139215800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 7100, 7219, 14200, 14438, 28876, 36095, 57752, 72190, 144380, 180475, 288760, 360950, 512549, 721900, 1025098, 1443800, 2050196, 2562745, 4100392, 5125490, 10250980, 12813725, 20501960, 25627450, 51254900, 102509800]

約数ペア:

[(1, 102509800), (2, 51254900), (4, 25627450), (5, 20501960), (8, 12813725), (10, 10250980), (20, 5125490), (25, 4100392), (40, 2562745), (50, 2050196), (71, 1443800), (100, 1025098), (142, 721900), (200, 512549), (284, 360950), (355, 288760), (568, 180475), (710, 144380), (1420, 72190), (1775, 57752), (2840, 36095), (3550, 28876), (7100, 14438), (7219, 14200)]