219650147180

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3259}}^1\times {\mathrm{7607}}^1$

素因数の和:11318

約数の個数: 48

約数和(自身を含む): 462509187840

約数和(自身を除く): 242859040660

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 3259, 4430, 6518, 7607, 8860, 13036, 15214, 16295, 30428, 32590, 38035, 65180, 76070, 152140, 1443737, 2887474, 3369901, 5774948, 6739802, 7218685, 13479604, 14437370, 16849505, 24791213, 28874740, 33699010, 49582426, 67398020, 99164852, 123956065, 247912130, 495824260, 10982507359, 21965014718, 43930029436, 54912536795, 109825073590, 219650147180]

約数ペア:

[(1, 219650147180), (2, 109825073590), (4, 54912536795), (5, 43930029436), (10, 21965014718), (20, 10982507359), (443, 495824260), (886, 247912130), (1772, 123956065), (2215, 99164852), (3259, 67398020), (4430, 49582426), (6518, 33699010), (7607, 28874740), (8860, 24791213), (13036, 16849505), (15214, 14437370), (16295, 13479604), (30428, 7218685), (32590, 6739802), (38035, 5774948), (65180, 3369901), (76070, 2887474), (152140, 1443737)]