201398780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{937}}^1\times {\mathrm{977}}^1$

素因数の和:1934

約数の個数: 48

約数和(自身を含む): 462351456

約数和(自身を除く): 260952676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 937, 977, 1874, 1954, 3748, 3908, 4685, 4885, 9370, 9770, 10307, 10747, 18740, 19540, 20614, 21494, 41228, 42988, 51535, 53735, 103070, 107470, 206140, 214940, 915449, 1830898, 3661796, 4577245, 9154490, 10069939, 18308980, 20139878, 40279756, 50349695, 100699390, 201398780]

約数ペア:

[(1, 201398780), (2, 100699390), (4, 50349695), (5, 40279756), (10, 20139878), (11, 18308980), (20, 10069939), (22, 9154490), (44, 4577245), (55, 3661796), (110, 1830898), (220, 915449), (937, 214940), (977, 206140), (1874, 107470), (1954, 103070), (3748, 53735), (3908, 51535), (4685, 42988), (4885, 41228), (9370, 21494), (9770, 20614), (10307, 19540), (10747, 18740)]