291220030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3109}}^1$

素因数の和:3181

約数の個数: 64

約数和(自身を含む): 604584000

約数和(自身を除く): 313363970

約数列:

[1, 2, 5, 10, 17, 19, 29, 34, 38, 58, 85, 95, 145, 170, 190, 290, 323, 493, 551, 646, 986, 1102, 1615, 2465, 2755, 3109, 3230, 4930, 5510, 6218, 9367, 15545, 18734, 31090, 46835, 52853, 59071, 90161, 93670, 105706, 118142, 180322, 264265, 295355, 450805, 528530, 590710, 901610, 1004207, 1532737, 1713059, 2008414, 3065474, 3426118, 5021035, 7663685, 8565295, 10042070, 15327370, 17130590, 29122003, 58244006, 145610015, 291220030]

約数ペア:

[(1, 291220030), (2, 145610015), (5, 58244006), (10, 29122003), (17, 17130590), (19, 15327370), (29, 10042070), (34, 8565295), (38, 7663685), (58, 5021035), (85, 3426118), (95, 3065474), (145, 2008414), (170, 1713059), (190, 1532737), (290, 1004207), (323, 901610), (493, 590710), (551, 528530), (646, 450805), (986, 295355), (1102, 264265), (1615, 180322), (2465, 118142), (2755, 105706), (3109, 93670), (3230, 90161), (4930, 59071), (5510, 52853), (6218, 46835), (9367, 31090), (15545, 18734)]