766293880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{3547}}^1$

素因数の和:4060

約数の個数: 64

約数和(自身を含む): 1885265280

約数和(自身を除く): 1118971400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 491, 982, 1964, 2455, 3547, 3928, 4910, 5401, 7094, 9820, 10802, 14188, 17735, 19640, 21604, 27005, 28376, 35470, 39017, 43208, 54010, 70940, 78034, 108020, 141880, 156068, 195085, 216040, 312136, 390170, 780340, 1560680, 1741577, 3483154, 6966308, 8707885, 13932616, 17415770, 19157347, 34831540, 38314694, 69663080, 76629388, 95786735, 153258776, 191573470, 383146940, 766293880]

約数ペア:

[(1, 766293880), (2, 383146940), (4, 191573470), (5, 153258776), (8, 95786735), (10, 76629388), (11, 69663080), (20, 38314694), (22, 34831540), (40, 19157347), (44, 17415770), (55, 13932616), (88, 8707885), (110, 6966308), (220, 3483154), (440, 1741577), (491, 1560680), (982, 780340), (1964, 390170), (2455, 312136), (3547, 216040), (3928, 195085), (4910, 156068), (5401, 141880), (7094, 108020), (9820, 78034), (10802, 70940), (14188, 54010), (17735, 43208), (19640, 39017), (21604, 35470), (27005, 28376)]