30296840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108203}}^1$

素因数の和:108221

約数の個数: 32

約数和(自身を含む): 77906880

約数和(自身を除く): 47610040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108203, 216406, 432812, 541015, 757421, 865624, 1082030, 1514842, 2164060, 3029684, 3787105, 4328120, 6059368, 7574210, 15148420, 30296840]

約数ペア:

[(1, 30296840), (2, 15148420), (4, 7574210), (5, 6059368), (7, 4328120), (8, 3787105), (10, 3029684), (14, 2164060), (20, 1514842), (28, 1082030), (35, 865624), (40, 757421), (56, 541015), (70, 432812), (140, 216406), (280, 108203)]