2017906495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1423}}^1$

素因数の和:1540

約数の個数: 64

約数和(自身を含む): 2952806400

約数和(自身を除く): 934899905

約数列:

[1, 5, 11, 19, 23, 55, 59, 95, 115, 209, 253, 295, 437, 649, 1045, 1121, 1265, 1357, 1423, 2185, 3245, 4807, 5605, 6785, 7115, 12331, 14927, 15653, 24035, 25783, 27037, 32729, 61655, 74635, 78265, 83957, 128915, 135185, 163645, 283613, 297407, 360019, 419785, 621851, 923527, 1418065, 1487035, 1595183, 1800095, 1931011, 3109255, 4617635, 6840361, 7975915, 9655055, 17547013, 21241121, 34201805, 36689209, 87735065, 106205605, 183446045, 403581299, 2017906495]

約数ペア:

[(1, 2017906495), (5, 403581299), (11, 183446045), (19, 106205605), (23, 87735065), (55, 36689209), (59, 34201805), (95, 21241121), (115, 17547013), (209, 9655055), (253, 7975915), (295, 6840361), (437, 4617635), (649, 3109255), (1045, 1931011), (1121, 1800095), (1265, 1595183), (1357, 1487035), (1423, 1418065), (2185, 923527), (3245, 621851), (4807, 419785), (5605, 360019), (6785, 297407), (7115, 283613), (12331, 163645), (14927, 135185), (15653, 128915), (24035, 83957), (25783, 78265), (27037, 74635), (32729, 61655)]