1277695900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{982843}}^1$

素因数の和:982870

約数の個数: 36

約数和(自身を含む): 2985880072

約数和(自身を除く): 1708184172

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 982843, 1965686, 3931372, 4914215, 9828430, 12776959, 19656860, 24571075, 25553918, 49142150, 51107836, 63884795, 98284300, 127769590, 255539180, 319423975, 638847950, 1277695900]

約数ペア:

[(1, 1277695900), (2, 638847950), (4, 319423975), (5, 255539180), (10, 127769590), (13, 98284300), (20, 63884795), (25, 51107836), (26, 49142150), (50, 25553918), (52, 24571075), (65, 19656860), (100, 12776959), (130, 9828430), (260, 4914215), (325, 3931372), (650, 1965686), (1300, 982843)]