161901850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15493}}^1$

素因数の和:15535

約数の個数: 48

約数和(自身を含む): 345826080

約数和(自身を除く): 183924230

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2090, 5225, 10450, 15493, 30986, 77465, 154930, 170423, 294367, 340846, 387325, 588734, 774650, 852115, 1471835, 1704230, 2943670, 3238037, 4260575, 6476074, 7359175, 8521150, 14718350, 16190185, 32380370, 80950925, 161901850]

約数ペア:

[(1, 161901850), (2, 80950925), (5, 32380370), (10, 16190185), (11, 14718350), (19, 8521150), (22, 7359175), (25, 6476074), (38, 4260575), (50, 3238037), (55, 2943670), (95, 1704230), (110, 1471835), (190, 852115), (209, 774650), (275, 588734), (418, 387325), (475, 340846), (550, 294367), (950, 170423), (1045, 154930), (2090, 77465), (5225, 30986), (10450, 15493)]