681918900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{174851}}^1$

素因数の和:174881

約数の個数: 72

約数和(自身を含む): 2124801504

約数和(自身を除く): 1442882604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 174851, 349702, 524553, 699404, 874255, 1049106, 1748510, 2098212, 2273063, 2622765, 3497020, 4371275, 4546126, 5245530, 6819189, 8742550, 9092252, 10491060, 11365315, 13113825, 13638378, 17485100, 22730630, 26227650, 27276756, 34095945, 45461260, 52455300, 56826575, 68191890, 113653150, 136383780, 170479725, 227306300, 340959450, 681918900]

約数ペア:

[(1, 681918900), (2, 340959450), (3, 227306300), (4, 170479725), (5, 136383780), (6, 113653150), (10, 68191890), (12, 56826575), (13, 52455300), (15, 45461260), (20, 34095945), (25, 27276756), (26, 26227650), (30, 22730630), (39, 17485100), (50, 13638378), (52, 13113825), (60, 11365315), (65, 10491060), (75, 9092252), (78, 8742550), (100, 6819189), (130, 5245530), (150, 4546126), (156, 4371275), (195, 3497020), (260, 2622765), (300, 2273063), (325, 2098212), (390, 1748510), (650, 1049106), (780, 874255), (975, 699404), (1300, 524553), (1950, 349702), (3900, 174851)]