5478979825

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 7670759040

約数和(自身を除く): 2191779215

約数列:

[1, 5, 11, 25, 55, 79, 101, 121, 227, 275, 395, 505, 605, 869, 1111, 1135, 1975, 2497, 2525, 3025, 4345, 5555, 5675, 7979, 9559, 12221, 12485, 17933, 21725, 22927, 27467, 27775, 39895, 47795, 61105, 62425, 87769, 89665, 114635, 137335, 197263, 199475, 238975, 252197, 305525, 438845, 448325, 573175, 686675, 965459, 986315, 1260985, 1811233, 2169893, 2194225, 2774167, 4827295, 4931575, 6304925, 9056165, 10849465, 13870835, 19923563, 24136475, 45280825, 54247325, 69354175, 99617815, 219159193, 498089075, 1095795965, 5478979825]

約数ペア:

[(1, 5478979825), (5, 1095795965), (11, 498089075), (25, 219159193), (55, 99617815), (79, 69354175), (101, 54247325), (121, 45280825), (227, 24136475), (275, 19923563), (395, 13870835), (505, 10849465), (605, 9056165), (869, 6304925), (1111, 4931575), (1135, 4827295), (1975, 2774167), (2497, 2194225), (2525, 2169893), (3025, 1811233), (4345, 1260985), (5555, 986315), (5675, 965459), (7979, 686675), (9559, 573175), (12221, 448325), (12485, 438845), (17933, 305525), (21725, 252197), (22927, 238975), (27467, 199475), (27775, 197263), (39895, 137335), (47795, 114635), (61105, 89665), (62425, 87769)]