211970110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 443418624

約数和(自身を除く): 231448514

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 263, 374, 431, 526, 862, 935, 1315, 1870, 2155, 2630, 2893, 4310, 4471, 4741, 5786, 7327, 8942, 9482, 14465, 14654, 22355, 23705, 28930, 36635, 44710, 47410, 49181, 73270, 80597, 98362, 113353, 161194, 226706, 245905, 402985, 491810, 566765, 805970, 1133530, 1246883, 1927001, 2493766, 3854002, 6234415, 9635005, 12468830, 19270010, 21197011, 42394022, 105985055, 211970110]

約数ペア:

[(1, 211970110), (2, 105985055), (5, 42394022), (10, 21197011), (11, 19270010), (17, 12468830), (22, 9635005), (34, 6234415), (55, 3854002), (85, 2493766), (110, 1927001), (170, 1246883), (187, 1133530), (263, 805970), (374, 566765), (431, 491810), (526, 402985), (862, 245905), (935, 226706), (1315, 161194), (1870, 113353), (2155, 98362), (2630, 80597), (2893, 73270), (4310, 49181), (4471, 47410), (4741, 44710), (5786, 36635), (7327, 28930), (8942, 23705), (9482, 22355), (14465, 14654)]