138700900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{106693}}^1$

素因数の和:106720

約数の個数: 36

約数和(自身を含む): 324136372

約数和(自身を除く): 185435472

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 106693, 213386, 426772, 533465, 1066930, 1387009, 2133860, 2667325, 2774018, 5334650, 5548036, 6935045, 10669300, 13870090, 27740180, 34675225, 69350450, 138700900]

約数ペア:

[(1, 138700900), (2, 69350450), (4, 34675225), (5, 27740180), (10, 13870090), (13, 10669300), (20, 6935045), (25, 5548036), (26, 5334650), (50, 2774018), (52, 2667325), (65, 2133860), (100, 1387009), (130, 1066930), (260, 533465), (325, 426772), (650, 213386), (1300, 106693)]