53890000

素因数分解:

$2^4\times 5^4\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:362

約数の個数: 100

約数和(自身を含む): 138583764

約数和(自身を除く): 84693764

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 317, 340, 400, 425, 500, 625, 634, 680, 850, 1000, 1250, 1268, 1360, 1585, 1700, 2000, 2125, 2500, 2536, 3170, 3400, 4250, 5000, 5072, 5389, 6340, 6800, 7925, 8500, 10000, 10625, 10778, 12680, 15850, 17000, 21250, 21556, 25360, 26945, 31700, 34000, 39625, 42500, 43112, 53890, 63400, 79250, 85000, 86224, 107780, 126800, 134725, 158500, 170000, 198125, 215560, 269450, 317000, 396250, 431120, 538900, 634000, 673625, 792500, 1077800, 1347250, 1585000, 2155600, 2694500, 3170000, 3368125, 5389000, 6736250, 10778000, 13472500, 26945000, 53890000]

約数ペア:

[(1, 53890000), (2, 26945000), (4, 13472500), (5, 10778000), (8, 6736250), (10, 5389000), (16, 3368125), (17, 3170000), (20, 2694500), (25, 2155600), (34, 1585000), (40, 1347250), (50, 1077800), (68, 792500), (80, 673625), (85, 634000), (100, 538900), (125, 431120), (136, 396250), (170, 317000), (200, 269450), (250, 215560), (272, 198125), (317, 170000), (340, 158500), (400, 134725), (425, 126800), (500, 107780), (625, 86224), (634, 85000), (680, 79250), (850, 63400), (1000, 53890), (1250, 43112), (1268, 42500), (1360, 39625), (1585, 34000), (1700, 31700), (2000, 26945), (2125, 25360), (2500, 21556), (2536, 21250), (3170, 17000), (3400, 15850), (4250, 12680), (5000, 10778), (5072, 10625), (5389, 10000), (6340, 8500), (6800, 7925)]