56828620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{463}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 133648704

約数和(自身を除く): 76820084

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 361, 380, 463, 646, 722, 926, 1292, 1444, 1615, 1805, 1852, 2315, 3230, 3610, 4630, 6137, 6460, 7220, 7871, 8797, 9260, 12274, 15742, 17594, 24548, 30685, 31484, 35188, 39355, 43985, 61370, 78710, 87970, 122740, 149549, 157420, 167143, 175940, 299098, 334286, 598196, 668572, 747745, 835715, 1495490, 1671430, 2841431, 2990980, 3342860, 5682862, 11365724, 14207155, 28414310, 56828620]

約数ペア:

[(1, 56828620), (2, 28414310), (4, 14207155), (5, 11365724), (10, 5682862), (17, 3342860), (19, 2990980), (20, 2841431), (34, 1671430), (38, 1495490), (68, 835715), (76, 747745), (85, 668572), (95, 598196), (170, 334286), (190, 299098), (323, 175940), (340, 167143), (361, 157420), (380, 149549), (463, 122740), (646, 87970), (722, 78710), (926, 61370), (1292, 43985), (1444, 39355), (1615, 35188), (1805, 31484), (1852, 30685), (2315, 24548), (3230, 17594), (3610, 15742), (4630, 12274), (6137, 9260), (6460, 8797), (7220, 7871)]