2682460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 6259680

約数和(自身を除く): 3577220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 137, 178, 220, 274, 356, 445, 548, 685, 890, 979, 1370, 1507, 1780, 1958, 2740, 3014, 3916, 4895, 6028, 7535, 9790, 12193, 15070, 19580, 24386, 30140, 48772, 60965, 121930, 134123, 243860, 268246, 536492, 670615, 1341230, 2682460]

約数ペア:

[(1, 2682460), (2, 1341230), (4, 670615), (5, 536492), (10, 268246), (11, 243860), (20, 134123), (22, 121930), (44, 60965), (55, 48772), (89, 30140), (110, 24386), (137, 19580), (178, 15070), (220, 12193), (274, 9790), (356, 7535), (445, 6028), (548, 4895), (685, 3916), (890, 3014), (979, 2740), (1370, 1958), (1507, 1780)]