217156980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1009}}^1$

素因数の和:1249

約数の個数: 96

約数和(自身を含む): 647498880

約数和(自身を除く): 430341900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 211, 255, 340, 422, 510, 633, 844, 1009, 1020, 1055, 1266, 2018, 2110, 2532, 3027, 3165, 3587, 4036, 4220, 5045, 6054, 6330, 7174, 10090, 10761, 12108, 12660, 14348, 15135, 17153, 17935, 20180, 21522, 30270, 34306, 35870, 43044, 51459, 53805, 60540, 68612, 71740, 85765, 102918, 107610, 171530, 205836, 212899, 215220, 257295, 343060, 425798, 514590, 638697, 851596, 1029180, 1064495, 1277394, 2128990, 2554788, 3193485, 3619283, 4257980, 6386970, 7238566, 10857849, 12773940, 14477132, 18096415, 21715698, 36192830, 43431396, 54289245, 72385660, 108578490, 217156980]

約数ペア:

[(1, 217156980), (2, 108578490), (3, 72385660), (4, 54289245), (5, 43431396), (6, 36192830), (10, 21715698), (12, 18096415), (15, 14477132), (17, 12773940), (20, 10857849), (30, 7238566), (34, 6386970), (51, 4257980), (60, 3619283), (68, 3193485), (85, 2554788), (102, 2128990), (170, 1277394), (204, 1064495), (211, 1029180), (255, 851596), (340, 638697), (422, 514590), (510, 425798), (633, 343060), (844, 257295), (1009, 215220), (1020, 212899), (1055, 205836), (1266, 171530), (2018, 107610), (2110, 102918), (2532, 85765), (3027, 71740), (3165, 68612), (3587, 60540), (4036, 53805), (4220, 51459), (5045, 43044), (6054, 35870), (6330, 34306), (7174, 30270), (10090, 21522), (10761, 20180), (12108, 17935), (12660, 17153), (14348, 15135)]