51831710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 109453680

約数和(自身を除く): 57621970

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 245, 278, 490, 695, 761, 973, 1390, 1522, 1946, 3805, 4865, 5327, 6811, 7610, 9730, 10654, 13622, 26635, 34055, 37289, 53270, 68110, 74578, 105779, 186445, 211558, 372890, 528895, 740453, 1057790, 1480906, 3702265, 5183171, 7404530, 10366342, 25915855, 51831710]

約数ペア:

[(1, 51831710), (2, 25915855), (5, 10366342), (7, 7404530), (10, 5183171), (14, 3702265), (35, 1480906), (49, 1057790), (70, 740453), (98, 528895), (139, 372890), (245, 211558), (278, 186445), (490, 105779), (695, 74578), (761, 68110), (973, 53270), (1390, 37289), (1522, 34055), (1946, 26635), (3805, 13622), (4865, 10654), (5327, 9730), (6811, 7610)]