247692340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 610122240

約数和(自身を除く): 362429900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 103, 140, 178, 193, 206, 356, 386, 412, 445, 515, 623, 721, 772, 890, 965, 1030, 1246, 1351, 1442, 1780, 1930, 2060, 2492, 2702, 2884, 3115, 3605, 3860, 5404, 6230, 6755, 7210, 9167, 12460, 13510, 14420, 17177, 18334, 19879, 27020, 34354, 36668, 39758, 45835, 64169, 68708, 79516, 85885, 91670, 99395, 120239, 128338, 139153, 171770, 183340, 198790, 240478, 256676, 278306, 320845, 343540, 397580, 480956, 556612, 601195, 641690, 695765, 1202390, 1283380, 1391530, 1769231, 2404780, 2783060, 3538462, 7076924, 8846155, 12384617, 17692310, 24769234, 35384620, 49538468, 61923085, 123846170, 247692340]

約数ペア:

[(1, 247692340), (2, 123846170), (4, 61923085), (5, 49538468), (7, 35384620), (10, 24769234), (14, 17692310), (20, 12384617), (28, 8846155), (35, 7076924), (70, 3538462), (89, 2783060), (103, 2404780), (140, 1769231), (178, 1391530), (193, 1283380), (206, 1202390), (356, 695765), (386, 641690), (412, 601195), (445, 556612), (515, 480956), (623, 397580), (721, 343540), (772, 320845), (890, 278306), (965, 256676), (1030, 240478), (1246, 198790), (1351, 183340), (1442, 171770), (1780, 139153), (1930, 128338), (2060, 120239), (2492, 99395), (2702, 91670), (2884, 85885), (3115, 79516), (3605, 68708), (3860, 64169), (5404, 45835), (6230, 39758), (6755, 36668), (7210, 34354), (9167, 27020), (12460, 19879), (13510, 18334), (14420, 17177)]