257156410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{6323}}^1$

素因数の和:6427

約数の個数: 48

約数和(自身を含む): 545027616

約数和(自身を除く): 287871206

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 166, 245, 415, 490, 581, 830, 1162, 2905, 4067, 5810, 6323, 8134, 12646, 20335, 31615, 40670, 44261, 63230, 88522, 221305, 309827, 442610, 524809, 619654, 1049618, 1549135, 2624045, 3098270, 3673663, 5248090, 7347326, 18368315, 25715641, 36736630, 51431282, 128578205, 257156410]

約数ペア:

[(1, 257156410), (2, 128578205), (5, 51431282), (7, 36736630), (10, 25715641), (14, 18368315), (35, 7347326), (49, 5248090), (70, 3673663), (83, 3098270), (98, 2624045), (166, 1549135), (245, 1049618), (415, 619654), (490, 524809), (581, 442610), (830, 309827), (1162, 221305), (2905, 88522), (4067, 63230), (5810, 44261), (6323, 40670), (8134, 31615), (12646, 20335)]