1276768753780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{288861709}}^1$

素因数の和:288861748

約数の個数: 48

約数和(自身を含む): 3057312338640

約数和(自身を除く): 1780543584860

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 288861709, 577723418, 1155446836, 1444308545, 2888617090, 3755202217, 4910649053, 5777234180, 7510404434, 9821298106, 15020808868, 18776011085, 19642596212, 24553245265, 37552022170, 49106490530, 63838437689, 75104044340, 98212981060, 127676875378, 255353750756, 319192188445, 638384376890, 1276768753780]

約数ペア:

[(1, 1276768753780), (2, 638384376890), (4, 319192188445), (5, 255353750756), (10, 127676875378), (13, 98212981060), (17, 75104044340), (20, 63838437689), (26, 49106490530), (34, 37552022170), (52, 24553245265), (65, 19642596212), (68, 18776011085), (85, 15020808868), (130, 9821298106), (170, 7510404434), (221, 5777234180), (260, 4910649053), (340, 3755202217), (442, 2888617090), (884, 1444308545), (1105, 1155446836), (2210, 577723418), (4420, 288861709)]