628832170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1063

約数の個数: 64

約数和(自身を含む): 1235606400

約数和(自身を除く): 606774230

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 89, 95, 178, 190, 205, 410, 445, 779, 890, 907, 1558, 1691, 1814, 3382, 3649, 3895, 4535, 7298, 7790, 8455, 9070, 16910, 17233, 18245, 34466, 36490, 37187, 69331, 74374, 80723, 86165, 138662, 161446, 172330, 185935, 346655, 371870, 403615, 693310, 706553, 807230, 1413106, 1533737, 3067474, 3309643, 3532765, 6619286, 7065530, 7668685, 15337370, 16548215, 33096430, 62883217, 125766434, 314416085, 628832170]

約数ペア:

[(1, 628832170), (2, 314416085), (5, 125766434), (10, 62883217), (19, 33096430), (38, 16548215), (41, 15337370), (82, 7668685), (89, 7065530), (95, 6619286), (178, 3532765), (190, 3309643), (205, 3067474), (410, 1533737), (445, 1413106), (779, 807230), (890, 706553), (907, 693310), (1558, 403615), (1691, 371870), (1814, 346655), (3382, 185935), (3649, 172330), (3895, 161446), (4535, 138662), (7298, 86165), (7790, 80723), (8455, 74374), (9070, 69331), (16910, 37187), (17233, 36490), (18245, 34466)]