69919780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3593}}^1$

素因数の和:3748

約数の個数: 48

約数和(自身を含む): 169061760

約数和(自身を除く): 99141980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3593, 3892, 4865, 7186, 9730, 14372, 17965, 19460, 25151, 35930, 50302, 71860, 100604, 125755, 251510, 499427, 503020, 998854, 1997708, 2497135, 3495989, 4994270, 6991978, 9988540, 13983956, 17479945, 34959890, 69919780]

約数ペア:

[(1, 69919780), (2, 34959890), (4, 17479945), (5, 13983956), (7, 9988540), (10, 6991978), (14, 4994270), (20, 3495989), (28, 2497135), (35, 1997708), (70, 998854), (139, 503020), (140, 499427), (278, 251510), (556, 125755), (695, 100604), (973, 71860), (1390, 50302), (1946, 35930), (2780, 25151), (3593, 19460), (3892, 17965), (4865, 14372), (7186, 9730)]