890227975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1559}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 1364912640

約数和(自身を除く): 474684665

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 251, 325, 455, 1255, 1559, 1757, 2275, 3263, 6275, 7795, 8785, 10913, 16315, 20267, 22841, 38975, 43925, 54565, 81575, 101335, 114205, 141869, 272825, 391309, 506675, 571025, 709345, 1956545, 2739163, 3546725, 5087017, 9782725, 13695815, 25435085, 35609119, 68479075, 127175425, 178045595, 890227975]

約数ペア:

[(1, 890227975), (5, 178045595), (7, 127175425), (13, 68479075), (25, 35609119), (35, 25435085), (65, 13695815), (91, 9782725), (175, 5087017), (251, 3546725), (325, 2739163), (455, 1956545), (1255, 709345), (1559, 571025), (1757, 506675), (2275, 391309), (3263, 272825), (6275, 141869), (7795, 114205), (8785, 101335), (10913, 81575), (16315, 54565), (20267, 43925), (22841, 38975)]