1298800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:226

約数の個数: 60

約数和(自身を含む): 3321216

約数和(自身を除く): 2022416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 191, 200, 272, 340, 382, 400, 425, 680, 764, 850, 955, 1360, 1528, 1700, 1910, 3056, 3247, 3400, 3820, 4775, 6494, 6800, 7640, 9550, 12988, 15280, 16235, 19100, 25976, 32470, 38200, 51952, 64940, 76400, 81175, 129880, 162350, 259760, 324700, 649400, 1298800]

約数ペア:

[(1, 1298800), (2, 649400), (4, 324700), (5, 259760), (8, 162350), (10, 129880), (16, 81175), (17, 76400), (20, 64940), (25, 51952), (34, 38200), (40, 32470), (50, 25976), (68, 19100), (80, 16235), (85, 15280), (100, 12988), (136, 9550), (170, 7640), (191, 6800), (200, 6494), (272, 4775), (340, 3820), (382, 3400), (400, 3247), (425, 3056), (680, 1910), (764, 1700), (850, 1528), (955, 1360)]