30902620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{719}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 74511360

約数和(自身を除く): 43608740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 719, 1228, 1438, 1535, 2149, 2876, 3070, 3595, 4298, 5033, 6140, 7190, 8596, 10066, 10745, 14380, 20132, 21490, 25165, 42980, 50330, 100660, 220733, 441466, 882932, 1103665, 1545131, 2207330, 3090262, 4414660, 6180524, 7725655, 15451310, 30902620]

約数ペア:

[(1, 30902620), (2, 15451310), (4, 7725655), (5, 6180524), (7, 4414660), (10, 3090262), (14, 2207330), (20, 1545131), (28, 1103665), (35, 882932), (70, 441466), (140, 220733), (307, 100660), (614, 50330), (719, 42980), (1228, 25165), (1438, 21490), (1535, 20132), (2149, 14380), (2876, 10745), (3070, 10066), (3595, 8596), (4298, 7190), (5033, 6140)]