168913780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{24623}}^1$

素因数の和:24653

約数の個数: 48

約数和(自身を含む): 413683200

約数和(自身を除く): 244769420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 24623, 49246, 98492, 123115, 172361, 246230, 344722, 492460, 689444, 861805, 1206527, 1723610, 2413054, 3447220, 4826108, 6032635, 8445689, 12065270, 16891378, 24130540, 33782756, 42228445, 84456890, 168913780]

約数ペア:

[(1, 168913780), (2, 84456890), (4, 42228445), (5, 33782756), (7, 24130540), (10, 16891378), (14, 12065270), (20, 8445689), (28, 6032635), (35, 4826108), (49, 3447220), (70, 2413054), (98, 1723610), (140, 1206527), (196, 861805), (245, 689444), (343, 492460), (490, 344722), (686, 246230), (980, 172361), (1372, 123115), (1715, 98492), (3430, 49246), (6860, 24623)]