823847540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{6229}}^1$

素因数の和:6644

約数の個数: 48

約数和(自身を含む): 1836853200

約数和(自身を除く): 1013005660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 389, 778, 1556, 1945, 3890, 6229, 6613, 7780, 12458, 13226, 24916, 26452, 31145, 33065, 62290, 66130, 105893, 124580, 132260, 211786, 423572, 529465, 1058930, 2117860, 2423081, 4846162, 9692324, 12115405, 24230810, 41192377, 48461620, 82384754, 164769508, 205961885, 411923770, 823847540]

約数ペア:

[(1, 823847540), (2, 411923770), (4, 205961885), (5, 164769508), (10, 82384754), (17, 48461620), (20, 41192377), (34, 24230810), (68, 12115405), (85, 9692324), (170, 4846162), (340, 2423081), (389, 2117860), (778, 1058930), (1556, 529465), (1945, 423572), (3890, 211786), (6229, 132260), (6613, 124580), (7780, 105893), (12458, 66130), (13226, 62290), (24916, 33065), (26452, 31145)]