198450140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{7919}}^1$

素因数の和:8114

約数の個数: 48

約数和(自身を含む): 479001600

約数和(自身を除く): 280551460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 6265, 7919, 12530, 15838, 25060, 31676, 39595, 55433, 79190, 110866, 158380, 221732, 277165, 554330, 1108660, 1417501, 2835002, 5670004, 7087505, 9922507, 14175010, 19845014, 28350020, 39690028, 49612535, 99225070, 198450140]

約数ペア:

[(1, 198450140), (2, 99225070), (4, 49612535), (5, 39690028), (7, 28350020), (10, 19845014), (14, 14175010), (20, 9922507), (28, 7087505), (35, 5670004), (70, 2835002), (140, 1417501), (179, 1108660), (358, 554330), (716, 277165), (895, 221732), (1253, 158380), (1790, 110866), (2506, 79190), (3580, 55433), (5012, 39595), (6265, 31676), (7919, 25060), (12530, 15838)]