61609940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2803}}^1$

素因数の和:2976

約数の個数: 48

約数和(自身を含む): 148858752

約数和(自身を除く): 87248812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 2803, 3140, 4396, 5495, 5606, 10990, 11212, 14015, 19621, 21980, 28030, 39242, 56060, 78484, 98105, 196210, 392420, 440071, 880142, 1760284, 2200355, 3080497, 4400710, 6160994, 8801420, 12321988, 15402485, 30804970, 61609940]

約数ペア:

[(1, 61609940), (2, 30804970), (4, 15402485), (5, 12321988), (7, 8801420), (10, 6160994), (14, 4400710), (20, 3080497), (28, 2200355), (35, 1760284), (70, 880142), (140, 440071), (157, 392420), (314, 196210), (628, 98105), (785, 78484), (1099, 56060), (1570, 39242), (2198, 28030), (2803, 21980), (3140, 19621), (4396, 14015), (5495, 11212), (5606, 10990)]