4942420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 12152448

約数和(自身を除く): 7210028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 821, 860, 1204, 1505, 1642, 3010, 3284, 4105, 5747, 6020, 8210, 11494, 16420, 22988, 28735, 35303, 57470, 70606, 114940, 141212, 176515, 247121, 353030, 494242, 706060, 988484, 1235605, 2471210, 4942420]

約数ペア:

[(1, 4942420), (2, 2471210), (4, 1235605), (5, 988484), (7, 706060), (10, 494242), (14, 353030), (20, 247121), (28, 176515), (35, 141212), (43, 114940), (70, 70606), (86, 57470), (140, 35303), (172, 28735), (215, 22988), (301, 16420), (430, 11494), (602, 8210), (821, 6020), (860, 5747), (1204, 4105), (1505, 3284), (1642, 3010)]