82778780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34781}}^1$

素因数の和:34814

約数の個数: 48

約数和(自身を含む): 210361536

約数和(自身を除く): 127582756

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 34781, 69562, 139124, 173905, 243467, 347810, 486934, 591277, 695620, 973868, 1182554, 1217335, 2365108, 2434670, 2956385, 4138939, 4869340, 5912770, 8277878, 11825540, 16555756, 20694695, 41389390, 82778780]

約数ペア:

[(1, 82778780), (2, 41389390), (4, 20694695), (5, 16555756), (7, 11825540), (10, 8277878), (14, 5912770), (17, 4869340), (20, 4138939), (28, 2956385), (34, 2434670), (35, 2365108), (68, 1217335), (70, 1182554), (85, 973868), (119, 695620), (140, 591277), (170, 486934), (238, 347810), (340, 243467), (476, 173905), (595, 139124), (1190, 69562), (2380, 34781)]