164424340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{1721}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 367116624

約数和(自身を除く): 202692284

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 281, 340, 562, 1124, 1405, 1721, 2810, 3442, 4777, 5620, 6884, 8605, 9554, 17210, 19108, 23885, 29257, 34420, 47770, 58514, 95540, 117028, 146285, 292570, 483601, 585140, 967202, 1934404, 2418005, 4836010, 8221217, 9672020, 16442434, 32884868, 41106085, 82212170, 164424340]

約数ペア:

[(1, 164424340), (2, 82212170), (4, 41106085), (5, 32884868), (10, 16442434), (17, 9672020), (20, 8221217), (34, 4836010), (68, 2418005), (85, 1934404), (170, 967202), (281, 585140), (340, 483601), (562, 292570), (1124, 146285), (1405, 117028), (1721, 95540), (2810, 58514), (3442, 47770), (4777, 34420), (5620, 29257), (6884, 23885), (8605, 19108), (9554, 17210)]