399190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 829440

約数和(自身を除く): 430250

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 191, 209, 382, 418, 955, 1045, 1910, 2090, 2101, 3629, 4202, 7258, 10505, 18145, 21010, 36290, 39919, 79838, 199595, 399190]

約数ペア:

[(1, 399190), (2, 199595), (5, 79838), (10, 39919), (11, 36290), (19, 21010), (22, 18145), (38, 10505), (55, 7258), (95, 4202), (110, 3629), (190, 2101), (191, 2090), (209, 1910), (382, 1045), (418, 955)]