30971620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1283}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 69890688

約数和(自身を除く): 38919068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1283, 1420, 2414, 2566, 4828, 5132, 6035, 6415, 12070, 12830, 21811, 24140, 25660, 43622, 87244, 91093, 109055, 182186, 218110, 364372, 436220, 455465, 910930, 1548581, 1821860, 3097162, 6194324, 7742905, 15485810, 30971620]

約数ペア:

[(1, 30971620), (2, 15485810), (4, 7742905), (5, 6194324), (10, 3097162), (17, 1821860), (20, 1548581), (34, 910930), (68, 455465), (71, 436220), (85, 364372), (142, 218110), (170, 182186), (284, 109055), (340, 91093), (355, 87244), (710, 43622), (1207, 25660), (1283, 24140), (1420, 21811), (2414, 12830), (2566, 12070), (4828, 6415), (5132, 6035)]