20161735510

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{613}}^1$

素因数の和:907

約数の個数: 128

約数和(自身を含む): 43571404800

約数和(自身を除く): 23409669290

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 223, 245, 301, 343, 430, 446, 490, 602, 613, 686, 1115, 1226, 1505, 1561, 1715, 2107, 2230, 3010, 3065, 3122, 3430, 4214, 4291, 6130, 7805, 8582, 9589, 10535, 10927, 14749, 15610, 19178, 21070, 21455, 21854, 26359, 29498, 30037, 42910, 47945, 52718, 54635, 60074, 67123, 73745, 76489, 95890, 109270, 131795, 134246, 136699, 147490, 150185, 152978, 184513, 210259, 263590, 273398, 300370, 335615, 369026, 382445, 420518, 469861, 671230, 683495, 764890, 922565, 939722, 956893, 1051295, 1291591, 1366990, 1845130, 1913786, 2102590, 2349305, 2583182, 3289027, 4698610, 4784465, 5878057, 6457955, 6578054, 6698251, 9041137, 9568930, 11756114, 12915910, 13396502, 16445135, 18082274, 29390285, 32890270, 33491255, 41146399, 45205685, 46887757, 58780570, 66982510, 82292798, 90411370, 93775514, 205731995, 234438785, 288024793, 411463990, 468877570, 576049586, 1440123965, 2016173551, 2880247930, 4032347102, 10080867755, 20161735510]

約数ペア:

[(1, 20161735510), (2, 10080867755), (5, 4032347102), (7, 2880247930), (10, 2016173551), (14, 1440123965), (35, 576049586), (43, 468877570), (49, 411463990), (70, 288024793), (86, 234438785), (98, 205731995), (215, 93775514), (223, 90411370), (245, 82292798), (301, 66982510), (343, 58780570), (430, 46887757), (446, 45205685), (490, 41146399), (602, 33491255), (613, 32890270), (686, 29390285), (1115, 18082274), (1226, 16445135), (1505, 13396502), (1561, 12915910), (1715, 11756114), (2107, 9568930), (2230, 9041137), (3010, 6698251), (3065, 6578054), (3122, 6457955), (3430, 5878057), (4214, 4784465), (4291, 4698610), (6130, 3289027), (7805, 2583182), (8582, 2349305), (9589, 2102590), (10535, 1913786), (10927, 1845130), (14749, 1366990), (15610, 1291591), (19178, 1051295), (21070, 956893), (21455, 939722), (21854, 922565), (26359, 764890), (29498, 683495), (30037, 671230), (42910, 469861), (47945, 420518), (52718, 382445), (54635, 369026), (60074, 335615), (67123, 300370), (73745, 273398), (76489, 263590), (95890, 210259), (109270, 184513), (131795, 152978), (134246, 150185), (136699, 147490)]