28505940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27947}}^1$

素因数の和:27976

約数の個数: 48

約数和(自身を含む): 84514752

約数和(自身を除く): 56008812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 27947, 55894, 83841, 111788, 139735, 167682, 279470, 335364, 419205, 475099, 558940, 838410, 950198, 1425297, 1676820, 1900396, 2375495, 2850594, 4750990, 5701188, 7126485, 9501980, 14252970, 28505940]

約数ペア:

[(1, 28505940), (2, 14252970), (3, 9501980), (4, 7126485), (5, 5701188), (6, 4750990), (10, 2850594), (12, 2375495), (15, 1900396), (17, 1676820), (20, 1425297), (30, 950198), (34, 838410), (51, 558940), (60, 475099), (68, 419205), (85, 335364), (102, 279470), (170, 167682), (204, 139735), (255, 111788), (340, 83841), (510, 55894), (1020, 27947)]