66817940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1723}}^1$

素因数の和:2016

約数の個数: 48

約数和(自身を含む): 161035392

約数和(自身を除く): 94217452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1723, 1939, 2770, 3446, 3878, 5540, 6892, 7756, 8615, 9695, 12061, 17230, 19390, 24122, 34460, 38780, 48244, 60305, 120610, 241220, 477271, 954542, 1909084, 2386355, 3340897, 4772710, 6681794, 9545420, 13363588, 16704485, 33408970, 66817940]

約数ペア:

[(1, 66817940), (2, 33408970), (4, 16704485), (5, 13363588), (7, 9545420), (10, 6681794), (14, 4772710), (20, 3340897), (28, 2386355), (35, 1909084), (70, 954542), (140, 477271), (277, 241220), (554, 120610), (1108, 60305), (1385, 48244), (1723, 38780), (1939, 34460), (2770, 24122), (3446, 19390), (3878, 17230), (5540, 12061), (6892, 9695), (7756, 8615)]