8338820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 20837376

約数和(自身を除く): 12498556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 127, 134, 140, 196, 245, 254, 268, 335, 469, 490, 508, 635, 670, 889, 938, 980, 1270, 1340, 1778, 1876, 2345, 2540, 3283, 3556, 4445, 4690, 6223, 6566, 8509, 8890, 9380, 12446, 13132, 16415, 17018, 17780, 24892, 31115, 32830, 34036, 42545, 59563, 62230, 65660, 85090, 119126, 124460, 170180, 238252, 297815, 416941, 595630, 833882, 1191260, 1667764, 2084705, 4169410, 8338820]

約数ペア:

[(1, 8338820), (2, 4169410), (4, 2084705), (5, 1667764), (7, 1191260), (10, 833882), (14, 595630), (20, 416941), (28, 297815), (35, 238252), (49, 170180), (67, 124460), (70, 119126), (98, 85090), (127, 65660), (134, 62230), (140, 59563), (196, 42545), (245, 34036), (254, 32830), (268, 31115), (335, 24892), (469, 17780), (490, 17018), (508, 16415), (635, 13132), (670, 12446), (889, 9380), (938, 8890), (980, 8509), (1270, 6566), (1340, 6223), (1778, 4690), (1876, 4445), (2345, 3556), (2540, 3283)]