488372980

素因数分解:

$2^2\times 5^1\times {\mathrm{2971}}^1\times {\mathrm{8219}}^1$

素因数の和:11199

約数の個数: 24

約数和(自身を含む): 1026053280

約数和(自身を除く): 537680300

約数列:

[1, 2, 4, 5, 10, 20, 2971, 5942, 8219, 11884, 14855, 16438, 29710, 32876, 41095, 59420, 82190, 164380, 24418649, 48837298, 97674596, 122093245, 244186490, 488372980]

約数ペア:

[(1, 488372980), (2, 244186490), (4, 122093245), (5, 97674596), (10, 48837298), (20, 24418649), (2971, 164380), (5942, 82190), (8219, 59420), (11884, 41095), (14855, 32876), (16438, 29710)]