2019540820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{863}}^1\times {\mathrm{967}}^1$

素因数の和:1861

約数の個数: 72

約数和(自身を含む): 4671862272

約数和(自身を除く): 2652321452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 863, 967, 1210, 1726, 1934, 2420, 3452, 3868, 4315, 4835, 8630, 9493, 9670, 10637, 17260, 18986, 19340, 21274, 37972, 42548, 47465, 53185, 94930, 104423, 106370, 117007, 189860, 208846, 212740, 234014, 417692, 468028, 522115, 585035, 834521, 1044230, 1170070, 1669042, 2088460, 2340140, 3338084, 4172605, 8345210, 9179731, 16690420, 18359462, 36718924, 45898655, 91797310, 100977041, 183594620, 201954082, 403908164, 504885205, 1009770410, 2019540820]

約数ペア:

[(1, 2019540820), (2, 1009770410), (4, 504885205), (5, 403908164), (10, 201954082), (11, 183594620), (20, 100977041), (22, 91797310), (44, 45898655), (55, 36718924), (110, 18359462), (121, 16690420), (220, 9179731), (242, 8345210), (484, 4172605), (605, 3338084), (863, 2340140), (967, 2088460), (1210, 1669042), (1726, 1170070), (1934, 1044230), (2420, 834521), (3452, 585035), (3868, 522115), (4315, 468028), (4835, 417692), (8630, 234014), (9493, 212740), (9670, 208846), (10637, 189860), (17260, 117007), (18986, 106370), (19340, 104423), (21274, 94930), (37972, 53185), (42548, 47465)]