71620340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1297}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 164856384

約数和(自身を除く): 93236044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 1004, 1255, 1297, 2510, 2594, 2761, 5020, 5188, 5522, 6485, 11044, 12970, 13805, 14267, 25940, 27610, 28534, 55220, 57068, 71335, 142670, 285340, 325547, 651094, 1302188, 1627735, 3255470, 3581017, 6510940, 7162034, 14324068, 17905085, 35810170, 71620340]

約数ペア:

[(1, 71620340), (2, 35810170), (4, 17905085), (5, 14324068), (10, 7162034), (11, 6510940), (20, 3581017), (22, 3255470), (44, 1627735), (55, 1302188), (110, 651094), (220, 325547), (251, 285340), (502, 142670), (1004, 71335), (1255, 57068), (1297, 55220), (2510, 28534), (2594, 27610), (2761, 25940), (5020, 14267), (5188, 13805), (5522, 12970), (6485, 11044)]