9481990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 20429712

約数和(自身を除く): 10947722

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 523, 1046, 1295, 1813, 2590, 2615, 3626, 3661, 5230, 7322, 9065, 18130, 18305, 19351, 25627, 36610, 38702, 51254, 96755, 128135, 135457, 193510, 256270, 270914, 677285, 948199, 1354570, 1896398, 4740995, 9481990]

約数ペア:

[(1, 9481990), (2, 4740995), (5, 1896398), (7, 1354570), (10, 948199), (14, 677285), (35, 270914), (37, 256270), (49, 193510), (70, 135457), (74, 128135), (98, 96755), (185, 51254), (245, 38702), (259, 36610), (370, 25627), (490, 19351), (518, 18305), (523, 18130), (1046, 9065), (1295, 7322), (1813, 5230), (2590, 3661), (2615, 3626)]