680383730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{275459}}^1$

素因数の和:275498

約数の個数: 32

約数和(自身を含む): 1388318400

約数和(自身を除く): 707934670

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 275459, 550918, 1377295, 2754590, 3580967, 5233721, 7161934, 10467442, 17904835, 26168605, 35809670, 52337210, 68038373, 136076746, 340191865, 680383730]

約数ペア:

[(1, 680383730), (2, 340191865), (5, 136076746), (10, 68038373), (13, 52337210), (19, 35809670), (26, 26168605), (38, 17904835), (65, 10467442), (95, 7161934), (130, 5233721), (190, 3580967), (247, 2754590), (494, 1377295), (1235, 550918), (2470, 275459)]