123354380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{787}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 275226336

約数和(自身を除く): 151871956

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 461, 787, 922, 1574, 1844, 2305, 3148, 3935, 4610, 7837, 7870, 9220, 13379, 15674, 15740, 26758, 31348, 39185, 53516, 66895, 78370, 133790, 156740, 267580, 362807, 725614, 1451228, 1814035, 3628070, 6167719, 7256140, 12335438, 24670876, 30838595, 61677190, 123354380]

約数ペア:

[(1, 123354380), (2, 61677190), (4, 30838595), (5, 24670876), (10, 12335438), (17, 7256140), (20, 6167719), (34, 3628070), (68, 1814035), (85, 1451228), (170, 725614), (340, 362807), (461, 267580), (787, 156740), (922, 133790), (1574, 78370), (1844, 66895), (2305, 53516), (3148, 39185), (3935, 31348), (4610, 26758), (7837, 15740), (7870, 15674), (9220, 13379)]