279388610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 526780800

約数和(自身を除く): 247392190

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 239, 278, 290, 478, 695, 841, 1195, 1390, 1682, 2390, 4031, 4205, 6931, 8062, 8410, 13862, 20155, 33221, 34655, 40310, 66442, 69310, 116899, 166105, 200999, 233798, 332210, 401998, 584495, 963409, 1004995, 1168990, 1926818, 2009990, 4817045, 9634090, 27938861, 55877722, 139694305, 279388610]

約数ペア:

[(1, 279388610), (2, 139694305), (5, 55877722), (10, 27938861), (29, 9634090), (58, 4817045), (139, 2009990), (145, 1926818), (239, 1168990), (278, 1004995), (290, 963409), (478, 584495), (695, 401998), (841, 332210), (1195, 233798), (1390, 200999), (1682, 166105), (2390, 116899), (4031, 69310), (4205, 66442), (6931, 40310), (8062, 34655), (8410, 33221), (13862, 20155)]