30788702

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{409}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 55891200

約数和(自身を除く): 25102498

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 283, 409, 566, 818, 1981, 2863, 3962, 5377, 5726, 7771, 10754, 15542, 37639, 54397, 75278, 108794, 115747, 231494, 810229, 1620458, 2199193, 4398386, 15394351, 30788702]

約数ペア:

[(1, 30788702), (2, 15394351), (7, 4398386), (14, 2199193), (19, 1620458), (38, 810229), (133, 231494), (266, 115747), (283, 108794), (409, 75278), (566, 54397), (818, 37639), (1981, 15542), (2863, 10754), (3962, 7771), (5377, 5726)]