221754890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23819}}^1$

素因数の和:23859

約数の個数: 48

約数和(自身を含む): 488786400

約数和(自身を除く): 267031510

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 4655, 9310, 23819, 47638, 119095, 166733, 238190, 333466, 452561, 833665, 905122, 1167131, 1667330, 2262805, 2334262, 3167927, 4525610, 5835655, 6335854, 11671310, 15839635, 22175489, 31679270, 44350978, 110877445, 221754890]

約数ペア:

[(1, 221754890), (2, 110877445), (5, 44350978), (7, 31679270), (10, 22175489), (14, 15839635), (19, 11671310), (35, 6335854), (38, 5835655), (49, 4525610), (70, 3167927), (95, 2334262), (98, 2262805), (133, 1667330), (190, 1167131), (245, 905122), (266, 833665), (490, 452561), (665, 333466), (931, 238190), (1330, 166733), (1862, 119095), (4655, 47638), (9310, 23819)]