77678780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4861}}^1$

素因数の和:4934

約数の個数: 48

約数和(自身を含む): 176432256

約数和(自身を除く): 98753476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 4861, 7990, 9722, 15980, 19444, 24305, 48610, 82637, 97220, 165274, 228467, 330548, 413185, 456934, 826370, 913868, 1142335, 1652740, 2284670, 3883939, 4569340, 7767878, 15535756, 19419695, 38839390, 77678780]

約数ペア:

[(1, 77678780), (2, 38839390), (4, 19419695), (5, 15535756), (10, 7767878), (17, 4569340), (20, 3883939), (34, 2284670), (47, 1652740), (68, 1142335), (85, 913868), (94, 826370), (170, 456934), (188, 413185), (235, 330548), (340, 228467), (470, 165274), (799, 97220), (940, 82637), (1598, 48610), (3196, 24305), (3995, 19444), (4861, 15980), (7990, 9722)]