178013990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{21017}}^1$

素因数の和:21053

約数の個数: 48

約数和(自身を含む): 402536736

約数和(自身を除く): 224522746

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 4235, 8470, 21017, 42034, 105085, 147119, 210170, 231187, 294238, 462374, 735595, 1155935, 1471190, 1618309, 2311870, 2543057, 3236618, 5086114, 8091545, 12715285, 16183090, 17801399, 25430570, 35602798, 89006995, 178013990]

約数ペア:

[(1, 178013990), (2, 89006995), (5, 35602798), (7, 25430570), (10, 17801399), (11, 16183090), (14, 12715285), (22, 8091545), (35, 5086114), (55, 3236618), (70, 2543057), (77, 2311870), (110, 1618309), (121, 1471190), (154, 1155935), (242, 735595), (385, 462374), (605, 294238), (770, 231187), (847, 210170), (1210, 147119), (1694, 105085), (4235, 42034), (8470, 21017)]