7720460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1847}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 18627840

約数和(自身を除く): 10907380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1847, 2090, 3694, 4180, 7388, 9235, 18470, 20317, 35093, 36940, 40634, 70186, 81268, 101585, 140372, 175465, 203170, 350930, 386023, 406340, 701860, 772046, 1544092, 1930115, 3860230, 7720460]

約数ペア:

[(1, 7720460), (2, 3860230), (4, 1930115), (5, 1544092), (10, 772046), (11, 701860), (19, 406340), (20, 386023), (22, 350930), (38, 203170), (44, 175465), (55, 140372), (76, 101585), (95, 81268), (110, 70186), (190, 40634), (209, 36940), (220, 35093), (380, 20317), (418, 18470), (836, 9235), (1045, 7388), (1847, 4180), (2090, 3694)]