68690860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1171}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 165392640

約数和(自身を除く): 96701780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 1171, 1676, 2095, 2342, 2933, 4190, 4684, 5855, 5866, 8197, 8380, 11710, 11732, 14665, 16394, 23420, 29330, 32788, 40985, 58660, 81970, 163940, 490649, 981298, 1962596, 2453245, 3434543, 4906490, 6869086, 9812980, 13738172, 17172715, 34345430, 68690860]

約数ペア:

[(1, 68690860), (2, 34345430), (4, 17172715), (5, 13738172), (7, 9812980), (10, 6869086), (14, 4906490), (20, 3434543), (28, 2453245), (35, 1962596), (70, 981298), (140, 490649), (419, 163940), (838, 81970), (1171, 58660), (1676, 40985), (2095, 32788), (2342, 29330), (2933, 23420), (4190, 16394), (4684, 14665), (5855, 11732), (5866, 11710), (8197, 8380)]