199413775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 279267840

約数和(自身を除く): 79854065

約数列:

[1, 5, 11, 25, 55, 67, 79, 137, 275, 335, 395, 685, 737, 869, 1507, 1675, 1975, 3425, 3685, 4345, 5293, 7535, 9179, 10823, 18425, 21725, 26465, 37675, 45895, 54115, 58223, 100969, 119053, 132325, 229475, 270575, 291115, 504845, 595265, 725141, 1455575, 2524225, 2976325, 3625705, 7976551, 18128525, 39882755, 199413775]

約数ペア:

[(1, 199413775), (5, 39882755), (11, 18128525), (25, 7976551), (55, 3625705), (67, 2976325), (79, 2524225), (137, 1455575), (275, 725141), (335, 595265), (395, 504845), (685, 291115), (737, 270575), (869, 229475), (1507, 132325), (1675, 119053), (1975, 100969), (3425, 58223), (3685, 54115), (4345, 45895), (5293, 37675), (7535, 26465), (9179, 21725), (10823, 18425)]