19710700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3719}}^1$

素因数の和:3786

約数の個数: 36

約数和(自身を含む): 43590960

約数和(自身を除く): 23880260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 3719, 5300, 7438, 14876, 18595, 37190, 74380, 92975, 185950, 197107, 371900, 394214, 788428, 985535, 1971070, 3942140, 4927675, 9855350, 19710700]

約数ペア:

[(1, 19710700), (2, 9855350), (4, 4927675), (5, 3942140), (10, 1971070), (20, 985535), (25, 788428), (50, 394214), (53, 371900), (100, 197107), (106, 185950), (212, 92975), (265, 74380), (530, 37190), (1060, 18595), (1325, 14876), (2650, 7438), (3719, 5300)]