207650870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 440985600

約数和(自身を除く): 233334730

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 149, 215, 298, 301, 430, 463, 602, 745, 926, 1043, 1490, 1505, 2086, 2315, 3010, 3241, 4630, 5215, 6407, 6482, 10430, 12814, 16205, 19909, 32035, 32410, 39818, 44849, 64070, 68987, 89698, 99545, 137974, 139363, 199090, 224245, 278726, 344935, 448490, 482909, 689870, 696815, 965818, 1393630, 2414545, 2966441, 4829090, 5932882, 14832205, 20765087, 29664410, 41530174, 103825435, 207650870]

約数ペア:

[(1, 207650870), (2, 103825435), (5, 41530174), (7, 29664410), (10, 20765087), (14, 14832205), (35, 5932882), (43, 4829090), (70, 2966441), (86, 2414545), (149, 1393630), (215, 965818), (298, 696815), (301, 689870), (430, 482909), (463, 448490), (602, 344935), (745, 278726), (926, 224245), (1043, 199090), (1490, 139363), (1505, 137974), (2086, 99545), (2315, 89698), (3010, 68987), (3241, 64070), (4630, 44849), (5215, 39818), (6407, 32410), (6482, 32035), (10430, 19909), (12814, 16205)]