1900505740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{1901}}^1$

素因数の和:2147

約数の個数: 96

約数和(自身を含む): 4711238784

約数和(自身を除く): 2810733044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 193, 259, 370, 386, 518, 740, 772, 965, 1036, 1295, 1351, 1901, 1930, 2590, 2702, 3802, 3860, 5180, 5404, 6755, 7141, 7604, 9505, 13307, 13510, 14282, 19010, 26614, 27020, 28564, 35705, 38020, 49987, 53228, 66535, 70337, 71410, 99974, 133070, 140674, 142820, 199948, 249935, 266140, 281348, 351685, 366893, 492359, 499870, 703370, 733786, 984718, 999740, 1406740, 1467572, 1834465, 1969436, 2461795, 2568251, 3668930, 4923590, 5136502, 7337860, 9847180, 10273004, 12841255, 13575041, 25682510, 27150082, 51365020, 54300164, 67875205, 95025287, 135750410, 190050574, 271500820, 380101148, 475126435, 950252870, 1900505740]

約数ペア:

[(1, 1900505740), (2, 950252870), (4, 475126435), (5, 380101148), (7, 271500820), (10, 190050574), (14, 135750410), (20, 95025287), (28, 67875205), (35, 54300164), (37, 51365020), (70, 27150082), (74, 25682510), (140, 13575041), (148, 12841255), (185, 10273004), (193, 9847180), (259, 7337860), (370, 5136502), (386, 4923590), (518, 3668930), (740, 2568251), (772, 2461795), (965, 1969436), (1036, 1834465), (1295, 1467572), (1351, 1406740), (1901, 999740), (1930, 984718), (2590, 733786), (2702, 703370), (3802, 499870), (3860, 492359), (5180, 366893), (5404, 351685), (6755, 281348), (7141, 266140), (7604, 249935), (9505, 199948), (13307, 142820), (13510, 140674), (14282, 133070), (19010, 99974), (26614, 71410), (27020, 70337), (28564, 66535), (35705, 53228), (38020, 49987)]