686128940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:567

約数の個数: 96

約数和(自身を含む): 1678247424

約数和(自身を除く): 992118484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 163, 214, 281, 326, 428, 535, 562, 652, 749, 815, 1070, 1124, 1141, 1405, 1498, 1630, 1967, 2140, 2282, 2810, 2996, 3260, 3745, 3934, 4564, 5620, 5705, 7490, 7868, 9835, 11410, 14980, 17441, 19670, 22820, 30067, 34882, 39340, 45803, 60134, 69764, 87205, 91606, 120268, 122087, 150335, 174410, 183212, 210469, 229015, 244174, 300670, 320621, 348820, 420938, 458030, 488348, 601340, 610435, 641242, 841876, 916060, 1052345, 1220870, 1282484, 1603105, 2104690, 2441740, 3206210, 4209380, 4900921, 6412420, 9801842, 19603684, 24504605, 34306447, 49009210, 68612894, 98018420, 137225788, 171532235, 343064470, 686128940]

約数ペア:

[(1, 686128940), (2, 343064470), (4, 171532235), (5, 137225788), (7, 98018420), (10, 68612894), (14, 49009210), (20, 34306447), (28, 24504605), (35, 19603684), (70, 9801842), (107, 6412420), (140, 4900921), (163, 4209380), (214, 3206210), (281, 2441740), (326, 2104690), (428, 1603105), (535, 1282484), (562, 1220870), (652, 1052345), (749, 916060), (815, 841876), (1070, 641242), (1124, 610435), (1141, 601340), (1405, 488348), (1498, 458030), (1630, 420938), (1967, 348820), (2140, 320621), (2282, 300670), (2810, 244174), (2996, 229015), (3260, 210469), (3745, 183212), (3934, 174410), (4564, 150335), (5620, 122087), (5705, 120268), (7490, 91606), (7868, 87205), (9835, 69764), (11410, 60134), (14980, 45803), (17441, 39340), (19670, 34882), (22820, 30067)]