7788704870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1\times {\mathrm{2087}}^1$

素因数の和:2897

約数の個数: 64

約数和(自身を含む): 15383882880

約数和(自身を除く): 7595178010

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 757, 986, 1514, 2087, 2465, 3785, 4174, 4930, 7570, 10435, 12869, 20870, 21953, 25738, 35479, 43906, 60523, 64345, 70958, 109765, 121046, 128690, 177395, 219530, 302615, 354790, 373201, 605230, 746402, 1028891, 1579859, 1866005, 2057782, 3159718, 3732010, 5144455, 7899295, 10288910, 15798590, 26857603, 45815911, 53715206, 91631822, 134288015, 229079555, 268576030, 458159110, 778870487, 1557740974, 3894352435, 7788704870]

約数ペア:

[(1, 7788704870), (2, 3894352435), (5, 1557740974), (10, 778870487), (17, 458159110), (29, 268576030), (34, 229079555), (58, 134288015), (85, 91631822), (145, 53715206), (170, 45815911), (290, 26857603), (493, 15798590), (757, 10288910), (986, 7899295), (1514, 5144455), (2087, 3732010), (2465, 3159718), (3785, 2057782), (4174, 1866005), (4930, 1579859), (7570, 1028891), (10435, 746402), (12869, 605230), (20870, 373201), (21953, 354790), (25738, 302615), (35479, 219530), (43906, 177395), (60523, 128690), (64345, 121046), (70958, 109765)]