30555140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19841}}^1$

素因数の和:19868

約数の個数: 48

約数和(自身を含む): 80002944

約数和(自身を除く): 49447804

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19841, 39682, 79364, 99205, 138887, 198410, 218251, 277774, 396820, 436502, 555548, 694435, 873004, 1091255, 1388870, 1527757, 2182510, 2777740, 3055514, 4365020, 6111028, 7638785, 15277570, 30555140]

約数ペア:

[(1, 30555140), (2, 15277570), (4, 7638785), (5, 6111028), (7, 4365020), (10, 3055514), (11, 2777740), (14, 2182510), (20, 1527757), (22, 1388870), (28, 1091255), (35, 873004), (44, 694435), (55, 555548), (70, 436502), (77, 396820), (110, 277774), (140, 218251), (154, 198410), (220, 138887), (308, 99205), (385, 79364), (770, 39682), (1540, 19841)]