74492740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{10859}}^1$

素因数の和:10889

約数の個数: 48

約数和(自身を含む): 182448000

約数和(自身を除く): 107955260

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, 10859, 21718, 43436, 54295, 76013, 108590, 152026, 217180, 304052, 380065, 532091, 760130, 1064182, 1520260, 2128364, 2660455, 3724637, 5320910, 7449274, 10641820, 14898548, 18623185, 37246370, 74492740]

約数ペア:

[(1, 74492740), (2, 37246370), (4, 18623185), (5, 14898548), (7, 10641820), (10, 7449274), (14, 5320910), (20, 3724637), (28, 2660455), (35, 2128364), (49, 1520260), (70, 1064182), (98, 760130), (140, 532091), (196, 380065), (245, 304052), (343, 217180), (490, 152026), (686, 108590), (980, 76013), (1372, 54295), (1715, 43436), (3430, 21718), (6860, 10859)]