142834825

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 211700736

約数和(自身を除く): 68865911

約数列:

[1, 5, 7, 25, 31, 35, 113, 155, 175, 217, 233, 565, 775, 791, 1085, 1165, 1631, 2825, 3503, 3955, 5425, 5825, 7223, 8155, 17515, 19775, 24521, 26329, 36115, 40775, 50561, 87575, 122605, 131645, 180575, 184303, 252805, 613025, 658225, 816199, 921515, 1264025, 4080995, 4607575, 5713393, 20404975, 28566965, 142834825]

約数ペア:

[(1, 142834825), (5, 28566965), (7, 20404975), (25, 5713393), (31, 4607575), (35, 4080995), (113, 1264025), (155, 921515), (175, 816199), (217, 658225), (233, 613025), (565, 252805), (775, 184303), (791, 180575), (1085, 131645), (1165, 122605), (1631, 87575), (2825, 50561), (3503, 40775), (3955, 36115), (5425, 26329), (5825, 24521), (7223, 19775), (8155, 17515)]