67485740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{68863}}^1$

素因数の和:68886

約数の個数: 36

約数和(自身を含む): 164860416

約数和(自身を除く): 97374676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 68863, 137726, 275452, 344315, 482041, 688630, 964082, 1377260, 1928164, 2410205, 3374287, 4820410, 6748574, 9640820, 13497148, 16871435, 33742870, 67485740]

約数ペア:

[(1, 67485740), (2, 33742870), (4, 16871435), (5, 13497148), (7, 9640820), (10, 6748574), (14, 4820410), (20, 3374287), (28, 2410205), (35, 1928164), (49, 1377260), (70, 964082), (98, 688630), (140, 482041), (196, 344315), (245, 275452), (490, 137726), (980, 68863)]