83898980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 199107384

約数和(自身を除く): 115208404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 148, 185, 220, 242, 370, 407, 484, 605, 740, 814, 937, 1210, 1628, 1874, 2035, 2420, 3748, 4070, 4477, 4685, 8140, 8954, 9370, 10307, 17908, 18740, 20614, 22385, 34669, 41228, 44770, 51535, 69338, 89540, 103070, 113377, 138676, 173345, 206140, 226754, 346690, 381359, 453508, 566885, 693380, 762718, 1133770, 1525436, 1906795, 2267540, 3813590, 4194949, 7627180, 8389898, 16779796, 20974745, 41949490, 83898980]

約数ペア:

[(1, 83898980), (2, 41949490), (4, 20974745), (5, 16779796), (10, 8389898), (11, 7627180), (20, 4194949), (22, 3813590), (37, 2267540), (44, 1906795), (55, 1525436), (74, 1133770), (110, 762718), (121, 693380), (148, 566885), (185, 453508), (220, 381359), (242, 346690), (370, 226754), (407, 206140), (484, 173345), (605, 138676), (740, 113377), (814, 103070), (937, 89540), (1210, 69338), (1628, 51535), (1874, 44770), (2035, 41228), (2420, 34669), (3748, 22385), (4070, 20614), (4477, 18740), (4685, 17908), (8140, 10307), (8954, 9370)]