168316940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1571}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 386636544

約数和(自身を除く): 218319604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 487, 974, 1571, 1948, 2435, 3142, 4870, 5357, 6284, 7855, 9740, 10714, 15710, 17281, 21428, 26785, 31420, 34562, 53570, 69124, 86405, 107140, 172810, 345620, 765077, 1530154, 3060308, 3825385, 7650770, 8415847, 15301540, 16831694, 33663388, 42079235, 84158470, 168316940]

約数ペア:

[(1, 168316940), (2, 84158470), (4, 42079235), (5, 33663388), (10, 16831694), (11, 15301540), (20, 8415847), (22, 7650770), (44, 3825385), (55, 3060308), (110, 1530154), (220, 765077), (487, 345620), (974, 172810), (1571, 107140), (1948, 86405), (2435, 69124), (3142, 53570), (4870, 34562), (5357, 31420), (6284, 26785), (7855, 21428), (9740, 17281), (10714, 15710)]