28438380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157991}}^1$

素因数の和:158006

約数の個数: 36

約数和(自身を含む): 86263632

約数和(自身を除く): 57825252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157991, 315982, 473973, 631964, 789955, 947946, 1421919, 1579910, 1895892, 2369865, 2843838, 3159820, 4739730, 5687676, 7109595, 9479460, 14219190, 28438380]

約数ペア:

[(1, 28438380), (2, 14219190), (3, 9479460), (4, 7109595), (5, 5687676), (6, 4739730), (9, 3159820), (10, 2843838), (12, 2369865), (15, 1895892), (18, 1579910), (20, 1421919), (30, 947946), (36, 789955), (45, 631964), (60, 473973), (90, 315982), (180, 157991)]