56143490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 110678400

約数和(自身を除く): 54534910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 169, 239, 278, 338, 478, 695, 845, 1195, 1390, 1690, 1807, 2390, 3107, 3614, 6214, 9035, 15535, 18070, 23491, 31070, 33221, 40391, 46982, 66442, 80782, 117455, 166105, 201955, 234910, 332210, 403910, 431873, 863746, 2159365, 4318730, 5614349, 11228698, 28071745, 56143490]

約数ペア:

[(1, 56143490), (2, 28071745), (5, 11228698), (10, 5614349), (13, 4318730), (26, 2159365), (65, 863746), (130, 431873), (139, 403910), (169, 332210), (239, 234910), (278, 201955), (338, 166105), (478, 117455), (695, 80782), (845, 66442), (1195, 46982), (1390, 40391), (1690, 33221), (1807, 31070), (2390, 23491), (3107, 18070), (3614, 15535), (6214, 9035)]