139091420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17257}}^1$

素因数の和:17310

約数の個数: 48

約数和(自身を含む): 324726528

約数和(自身を除く): 185635108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 17257, 34514, 69028, 86285, 172570, 224341, 345140, 448682, 534967, 897364, 1069934, 1121705, 2139868, 2243410, 2674835, 4486820, 5349670, 6954571, 10699340, 13909142, 27818284, 34772855, 69545710, 139091420]

約数ペア:

[(1, 139091420), (2, 69545710), (4, 34772855), (5, 27818284), (10, 13909142), (13, 10699340), (20, 6954571), (26, 5349670), (31, 4486820), (52, 2674835), (62, 2243410), (65, 2139868), (124, 1121705), (130, 1069934), (155, 897364), (260, 534967), (310, 448682), (403, 345140), (620, 224341), (806, 172570), (1612, 86285), (2015, 69028), (4030, 34514), (8060, 17257)]