71941940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{513871}}^1$

素因数の和:513887

約数の個数: 24

約数和(自身を含む): 172660992

約数和(自身を除く): 100719052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 513871, 1027742, 2055484, 2569355, 3597097, 5138710, 7194194, 10277420, 14388388, 17985485, 35970970, 71941940]

約数ペア:

[(1, 71941940), (2, 35970970), (4, 17985485), (5, 14388388), (7, 10277420), (10, 7194194), (14, 5138710), (20, 3597097), (28, 2569355), (35, 2055484), (70, 1027742), (140, 513871)]