680256145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1163}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 885012480

約数和(自身を除く): 204756335

約数列:

[1, 5, 19, 47, 95, 131, 235, 655, 893, 1163, 2489, 4465, 5815, 6157, 12445, 22097, 30785, 54661, 110485, 116983, 152353, 273305, 584915, 761765, 1038559, 2894707, 5192795, 7160591, 14473535, 35802955, 136051229, 680256145]

約数ペア:

[(1, 680256145), (5, 136051229), (19, 35802955), (47, 14473535), (95, 7160591), (131, 5192795), (235, 2894707), (655, 1038559), (893, 761765), (1163, 584915), (2489, 273305), (4465, 152353), (5815, 116983), (6157, 110485), (12445, 54661), (22097, 30785)]