28111930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3319}}^1$

素因数の和:3355

約数の個数: 48

約数和(自身を含む): 63584640

約数和(自身を除く): 35472710

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 3319, 4235, 6638, 8470, 16595, 23233, 33190, 36509, 46466, 73018, 116165, 182545, 232330, 255563, 365090, 401599, 511126, 803198, 1277815, 2007995, 2555630, 2811193, 4015990, 5622386, 14055965, 28111930]

約数ペア:

[(1, 28111930), (2, 14055965), (5, 5622386), (7, 4015990), (10, 2811193), (11, 2555630), (14, 2007995), (22, 1277815), (35, 803198), (55, 511126), (70, 401599), (77, 365090), (110, 255563), (121, 232330), (154, 182545), (242, 116165), (385, 73018), (605, 46466), (770, 36509), (847, 33190), (1210, 23233), (1694, 16595), (3319, 8470), (4235, 6638)]