30931835

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 13309285

約数列:

[1, 5, 11, 29, 41, 43, 55, 121, 145, 205, 215, 319, 451, 473, 605, 1189, 1247, 1595, 1763, 2255, 2365, 3509, 4961, 5203, 5945, 6235, 8815, 13079, 13717, 17545, 19393, 24805, 26015, 51127, 65395, 68585, 96965, 143869, 150887, 213323, 255635, 562397, 719345, 754435, 1066615, 2811985, 6186367, 30931835]

約数ペア:

[(1, 30931835), (5, 6186367), (11, 2811985), (29, 1066615), (41, 754435), (43, 719345), (55, 562397), (121, 255635), (145, 213323), (205, 150887), (215, 143869), (319, 96965), (451, 68585), (473, 65395), (605, 51127), (1189, 26015), (1247, 24805), (1595, 19393), (1763, 17545), (2255, 13717), (2365, 13079), (3509, 8815), (4961, 6235), (5203, 5945)]