68126660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{9931}}^1$

素因数の和:9961

約数の個数: 48

約数和(自身を含む): 166857600

約数和(自身を除く): 98730940

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, 9931, 19862, 39724, 49655, 69517, 99310, 139034, 198620, 278068, 347585, 486619, 695170, 973238, 1390340, 1946476, 2433095, 3406333, 4866190, 6812666, 9732380, 13625332, 17031665, 34063330, 68126660]

約数ペア:

[(1, 68126660), (2, 34063330), (4, 17031665), (5, 13625332), (7, 9732380), (10, 6812666), (14, 4866190), (20, 3406333), (28, 2433095), (35, 1946476), (49, 1390340), (70, 973238), (98, 695170), (140, 486619), (196, 347585), (245, 278068), (343, 198620), (490, 139034), (686, 99310), (980, 69517), (1372, 49655), (1715, 39724), (3430, 19862), (6860, 9931)]