788390680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{255971}}^1$

素因数の和:256000

約数の個数: 64

約数和(自身を含む): 2211598080

約数和(自身を除く): 1423207400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 255971, 511942, 1023884, 1279855, 1791797, 2047768, 2559710, 2815681, 3583594, 5119420, 5631362, 7167188, 8958985, 10238840, 11262724, 14078405, 14334376, 17917970, 19709767, 22525448, 28156810, 35835940, 39419534, 56313620, 71671880, 78839068, 98548835, 112627240, 157678136, 197097670, 394195340, 788390680]

約数ペア:

[(1, 788390680), (2, 394195340), (4, 197097670), (5, 157678136), (7, 112627240), (8, 98548835), (10, 78839068), (11, 71671880), (14, 56313620), (20, 39419534), (22, 35835940), (28, 28156810), (35, 22525448), (40, 19709767), (44, 17917970), (55, 14334376), (56, 14078405), (70, 11262724), (77, 10238840), (88, 8958985), (110, 7167188), (140, 5631362), (154, 5119420), (220, 3583594), (280, 2815681), (308, 2559710), (385, 2047768), (440, 1791797), (616, 1279855), (770, 1023884), (1540, 511942), (3080, 255971)]