121398790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{20611}}^1$

素因数の和:20668

約数の個数: 32

約数和(自身を含む): 237450240

約数和(自身を除く): 116051450

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 20611, 41222, 103055, 206110, 391609, 638941, 783218, 1277882, 1958045, 3194705, 3916090, 6389410, 12139879, 24279758, 60699395, 121398790]

約数ペア:

[(1, 121398790), (2, 60699395), (5, 24279758), (10, 12139879), (19, 6389410), (31, 3916090), (38, 3194705), (62, 1958045), (95, 1277882), (155, 783218), (190, 638941), (310, 391609), (589, 206110), (1178, 103055), (2945, 41222), (5890, 20611)]