78466900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 182472696

約数和(自身を除く): 104005796

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 101, 170, 202, 340, 404, 425, 457, 505, 850, 914, 1010, 1700, 1717, 1828, 2020, 2285, 2525, 3434, 4570, 5050, 6868, 7769, 8585, 9140, 10100, 11425, 15538, 17170, 22850, 31076, 34340, 38845, 42925, 45700, 46157, 77690, 85850, 92314, 155380, 171700, 184628, 194225, 230785, 388450, 461570, 776900, 784669, 923140, 1153925, 1569338, 2307850, 3138676, 3923345, 4615700, 7846690, 15693380, 19616725, 39233450, 78466900]

約数ペア:

[(1, 78466900), (2, 39233450), (4, 19616725), (5, 15693380), (10, 7846690), (17, 4615700), (20, 3923345), (25, 3138676), (34, 2307850), (50, 1569338), (68, 1153925), (85, 923140), (100, 784669), (101, 776900), (170, 461570), (202, 388450), (340, 230785), (404, 194225), (425, 184628), (457, 171700), (505, 155380), (850, 92314), (914, 85850), (1010, 77690), (1700, 46157), (1717, 45700), (1828, 42925), (2020, 38845), (2285, 34340), (2525, 31076), (3434, 22850), (4570, 17170), (5050, 15538), (6868, 11425), (7769, 10100), (8585, 9140)]