2018780440

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{373}}^1\times {\mathrm{503}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 4580452800

約数和(自身を除く): 2561672360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 373, 503, 538, 746, 1006, 1076, 1345, 1492, 1865, 2012, 2152, 2515, 2690, 2984, 3730, 4024, 5030, 5380, 7460, 10060, 10760, 14920, 20120, 100337, 135307, 187619, 200674, 270614, 375238, 401348, 501685, 541228, 676535, 750476, 802696, 938095, 1003370, 1082456, 1353070, 1500952, 1876190, 2006740, 2706140, 3752380, 4013480, 5412280, 7504760, 50469511, 100939022, 201878044, 252347555, 403756088, 504695110, 1009390220, 2018780440]

約数ペア:

[(1, 2018780440), (2, 1009390220), (4, 504695110), (5, 403756088), (8, 252347555), (10, 201878044), (20, 100939022), (40, 50469511), (269, 7504760), (373, 5412280), (503, 4013480), (538, 3752380), (746, 2706140), (1006, 2006740), (1076, 1876190), (1345, 1500952), (1492, 1353070), (1865, 1082456), (2012, 1003370), (2152, 938095), (2515, 802696), (2690, 750476), (2984, 676535), (3730, 541228), (4024, 501685), (5030, 401348), (5380, 375238), (7460, 270614), (10060, 200674), (10760, 187619), (14920, 135307), (20120, 100337)]