388332260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{13999}}^1$

素因数の和:14100

約数の個数: 48

約数和(自身を含む): 870240000

約数和(自身を除く): 481907740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 13870, 13999, 27740, 27998, 55996, 69995, 139990, 265981, 279980, 531962, 1021927, 1063924, 1329905, 2043854, 2659810, 4087708, 5109635, 5319620, 10219270, 19416613, 20438540, 38833226, 77666452, 97083065, 194166130, 388332260]

約数ペア:

[(1, 388332260), (2, 194166130), (4, 97083065), (5, 77666452), (10, 38833226), (19, 20438540), (20, 19416613), (38, 10219270), (73, 5319620), (76, 5109635), (95, 4087708), (146, 2659810), (190, 2043854), (292, 1329905), (365, 1063924), (380, 1021927), (730, 531962), (1387, 279980), (1460, 265981), (2774, 139990), (5548, 69995), (6935, 55996), (13870, 27998), (13999, 27740)]