636632660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{27947}}^1$

素因数の和:28040

約数の個数: 48

約数和(自身を含む): 1436750784

約数和(自身を除く): 800118124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 4556, 5695, 11390, 22780, 27947, 55894, 111788, 139735, 279470, 475099, 558940, 950198, 1872449, 1900396, 2375495, 3744898, 4750990, 7489796, 9362245, 9501980, 18724490, 31831633, 37448980, 63663266, 127326532, 159158165, 318316330, 636632660]

約数ペア:

[(1, 636632660), (2, 318316330), (4, 159158165), (5, 127326532), (10, 63663266), (17, 37448980), (20, 31831633), (34, 18724490), (67, 9501980), (68, 9362245), (85, 7489796), (134, 4750990), (170, 3744898), (268, 2375495), (335, 1900396), (340, 1872449), (670, 950198), (1139, 558940), (1340, 475099), (2278, 279470), (4556, 139735), (5695, 111788), (11390, 55894), (22780, 27947)]