386635340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{212437}}^1$

素因数の和:212466

約数の個数: 48

約数和(自身を含む): 999308352

約数和(自身を除く): 612673012

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 212437, 424874, 849748, 1062185, 1487059, 2124370, 2761681, 2974118, 4248740, 5523362, 5948236, 7435295, 11046724, 13808405, 14870590, 19331767, 27616810, 29741180, 38663534, 55233620, 77327068, 96658835, 193317670, 386635340]

約数ペア:

[(1, 386635340), (2, 193317670), (4, 96658835), (5, 77327068), (7, 55233620), (10, 38663534), (13, 29741180), (14, 27616810), (20, 19331767), (26, 14870590), (28, 13808405), (35, 11046724), (52, 7435295), (65, 5948236), (70, 5523362), (91, 4248740), (130, 2974118), (140, 2761681), (182, 2124370), (260, 1487059), (364, 1062185), (455, 849748), (910, 424874), (1820, 212437)]