12687100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{439}}^1$

素因数の和:487

約数の個数: 54

約数和(自身を含む): 29312360

約数和(自身を除く): 16625260

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 439, 578, 850, 878, 1156, 1445, 1700, 1756, 2195, 2890, 4390, 5780, 7225, 7463, 8780, 10975, 14450, 14926, 21950, 28900, 29852, 37315, 43900, 74630, 126871, 149260, 186575, 253742, 373150, 507484, 634355, 746300, 1268710, 2537420, 3171775, 6343550, 12687100]

約数ペア:

[(1, 12687100), (2, 6343550), (4, 3171775), (5, 2537420), (10, 1268710), (17, 746300), (20, 634355), (25, 507484), (34, 373150), (50, 253742), (68, 186575), (85, 149260), (100, 126871), (170, 74630), (289, 43900), (340, 37315), (425, 29852), (439, 28900), (578, 21950), (850, 14926), (878, 14450), (1156, 10975), (1445, 8780), (1700, 7463), (1756, 7225), (2195, 5780), (2890, 4390)]