66707900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 166551840

約数和(自身を除く): 99843940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 233, 350, 409, 466, 700, 818, 932, 1165, 1631, 1636, 2045, 2330, 2863, 3262, 4090, 4660, 5726, 5825, 6524, 8155, 8180, 10225, 11452, 11650, 14315, 16310, 20450, 23300, 28630, 32620, 40775, 40900, 57260, 71575, 81550, 95297, 143150, 163100, 190594, 286300, 381188, 476485, 667079, 952970, 1334158, 1905940, 2382425, 2668316, 3335395, 4764850, 6670790, 9529700, 13341580, 16676975, 33353950, 66707900]

約数ペア:

[(1, 66707900), (2, 33353950), (4, 16676975), (5, 13341580), (7, 9529700), (10, 6670790), (14, 4764850), (20, 3335395), (25, 2668316), (28, 2382425), (35, 1905940), (50, 1334158), (70, 952970), (100, 667079), (140, 476485), (175, 381188), (233, 286300), (350, 190594), (409, 163100), (466, 143150), (700, 95297), (818, 81550), (932, 71575), (1165, 57260), (1631, 40900), (1636, 40775), (2045, 32620), (2330, 28630), (2863, 23300), (3262, 20450), (4090, 16310), (4660, 14315), (5726, 11650), (5825, 11452), (6524, 10225), (8155, 8180)]