1296225980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{487303}}^1$

素因数の和:487338

約数の個数: 48

約数和(自身を含む): 3274682880

約数和(自身を除く): 1978456900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 487303, 974606, 1949212, 2436515, 3411121, 4873030, 6822242, 9258757, 9746060, 13644484, 17055605, 18517514, 34111210, 37035028, 46293785, 64811299, 68222420, 92587570, 129622598, 185175140, 259245196, 324056495, 648112990, 1296225980]

約数ペア:

[(1, 1296225980), (2, 648112990), (4, 324056495), (5, 259245196), (7, 185175140), (10, 129622598), (14, 92587570), (19, 68222420), (20, 64811299), (28, 46293785), (35, 37035028), (38, 34111210), (70, 18517514), (76, 17055605), (95, 13644484), (133, 9746060), (140, 9258757), (190, 6822242), (266, 4873030), (380, 3411121), (532, 2436515), (665, 1949212), (1330, 974606), (2660, 487303)]