339949000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19997}}^1$

素因数の和:20035

約数の個数: 64

約数和(自身を含む): 842315760

約数和(自身を除く): 502366760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 680, 850, 1000, 1700, 2125, 3400, 4250, 8500, 17000, 19997, 39994, 79988, 99985, 159976, 199970, 339949, 399940, 499925, 679898, 799880, 999850, 1359796, 1699745, 1999700, 2499625, 2719592, 3399490, 3999400, 4999250, 6798980, 8498725, 9998500, 13597960, 16997450, 19997000, 33994900, 42493625, 67989800, 84987250, 169974500, 339949000]

約数ペア:

[(1, 339949000), (2, 169974500), (4, 84987250), (5, 67989800), (8, 42493625), (10, 33994900), (17, 19997000), (20, 16997450), (25, 13597960), (34, 9998500), (40, 8498725), (50, 6798980), (68, 4999250), (85, 3999400), (100, 3399490), (125, 2719592), (136, 2499625), (170, 1999700), (200, 1699745), (250, 1359796), (340, 999850), (425, 799880), (500, 679898), (680, 499925), (850, 399940), (1000, 339949), (1700, 199970), (2125, 159976), (3400, 99985), (4250, 79988), (8500, 39994), (17000, 19997)]