2690380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1747}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 7047936

約数和(自身を除く): 4357556

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, 1747, 3494, 6988, 8735, 12229, 17470, 19217, 24458, 34940, 38434, 48916, 61145, 76868, 96085, 122290, 134519, 192170, 244580, 269038, 384340, 538076, 672595, 1345190, 2690380]

約数ペア:

[(1, 2690380), (2, 1345190), (4, 672595), (5, 538076), (7, 384340), (10, 269038), (11, 244580), (14, 192170), (20, 134519), (22, 122290), (28, 96085), (35, 76868), (44, 61145), (55, 48916), (70, 38434), (77, 34940), (110, 24458), (140, 19217), (154, 17470), (220, 12229), (308, 8735), (385, 6988), (770, 3494), (1540, 1747)]