4678180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 11148480

約数和(自身を除く): 6470300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 947, 988, 1235, 1894, 2470, 3788, 4735, 4940, 9470, 12311, 17993, 18940, 24622, 35986, 49244, 61555, 71972, 89965, 123110, 179930, 233909, 246220, 359860, 467818, 935636, 1169545, 2339090, 4678180]

約数ペア:

[(1, 4678180), (2, 2339090), (4, 1169545), (5, 935636), (10, 467818), (13, 359860), (19, 246220), (20, 233909), (26, 179930), (38, 123110), (52, 89965), (65, 71972), (76, 61555), (95, 49244), (130, 35986), (190, 24622), (247, 18940), (260, 17993), (380, 12311), (494, 9470), (947, 4940), (988, 4735), (1235, 3788), (1894, 2470)]