2804390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 5365440

約数和(自身を除く): 2561050

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 137, 178, 230, 274, 445, 685, 890, 1370, 2047, 3151, 4094, 6302, 10235, 12193, 15755, 20470, 24386, 31510, 60965, 121930, 280439, 560878, 1402195, 2804390]

約数ペア:

[(1, 2804390), (2, 1402195), (5, 560878), (10, 280439), (23, 121930), (46, 60965), (89, 31510), (115, 24386), (137, 20470), (178, 15755), (230, 12193), (274, 10235), (445, 6302), (685, 4094), (890, 3151), (1370, 2047)]