8709100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 20623680

約数和(自身を除く): 11914580

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 47, 50, 68, 85, 94, 100, 109, 170, 188, 218, 235, 340, 425, 436, 470, 545, 799, 850, 940, 1090, 1175, 1598, 1700, 1853, 2180, 2350, 2725, 3196, 3706, 3995, 4700, 5123, 5450, 7412, 7990, 9265, 10246, 10900, 15980, 18530, 19975, 20492, 25615, 37060, 39950, 46325, 51230, 79900, 87091, 92650, 102460, 128075, 174182, 185300, 256150, 348364, 435455, 512300, 870910, 1741820, 2177275, 4354550, 8709100]

約数ペア:

[(1, 8709100), (2, 4354550), (4, 2177275), (5, 1741820), (10, 870910), (17, 512300), (20, 435455), (25, 348364), (34, 256150), (47, 185300), (50, 174182), (68, 128075), (85, 102460), (94, 92650), (100, 87091), (109, 79900), (170, 51230), (188, 46325), (218, 39950), (235, 37060), (340, 25615), (425, 20492), (436, 19975), (470, 18530), (545, 15980), (799, 10900), (850, 10246), (940, 9265), (1090, 7990), (1175, 7412), (1598, 5450), (1700, 5123), (1853, 4700), (2180, 3995), (2350, 3706), (2725, 3196)]