208459100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2609}}^1$

素因数の和:2687

約数の個数: 72

約数和(自身を含む): 489343680

約数和(自身を除く): 280884580

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 47, 50, 68, 85, 94, 100, 170, 188, 235, 340, 425, 470, 799, 850, 940, 1175, 1598, 1700, 2350, 2609, 3196, 3995, 4700, 5218, 7990, 10436, 13045, 15980, 19975, 26090, 39950, 44353, 52180, 65225, 79900, 88706, 122623, 130450, 177412, 221765, 245246, 260900, 443530, 490492, 613115, 887060, 1108825, 1226230, 2084591, 2217650, 2452460, 3065575, 4169182, 4435300, 6131150, 8338364, 10422955, 12262300, 20845910, 41691820, 52114775, 104229550, 208459100]

約数ペア:

[(1, 208459100), (2, 104229550), (4, 52114775), (5, 41691820), (10, 20845910), (17, 12262300), (20, 10422955), (25, 8338364), (34, 6131150), (47, 4435300), (50, 4169182), (68, 3065575), (85, 2452460), (94, 2217650), (100, 2084591), (170, 1226230), (188, 1108825), (235, 887060), (340, 613115), (425, 490492), (470, 443530), (799, 260900), (850, 245246), (940, 221765), (1175, 177412), (1598, 130450), (1700, 122623), (2350, 88706), (2609, 79900), (3196, 65225), (3995, 52180), (4700, 44353), (5218, 39950), (7990, 26090), (10436, 19975), (13045, 15980)]