1800000070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{773}}^1\times {\mathrm{21169}}^1$

素因数の和:21960

約数の個数: 32

約数和(自身を含む): 3539285280

約数和(自身を除く): 1739285210

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 773, 1546, 3865, 7730, 8503, 17006, 21169, 42338, 42515, 85030, 105845, 211690, 232859, 465718, 1164295, 2328590, 16363637, 32727274, 81818185, 163636370, 180000007, 360000014, 900000035, 1800000070]

約数ペア:

[(1, 1800000070), (2, 900000035), (5, 360000014), (10, 180000007), (11, 163636370), (22, 81818185), (55, 32727274), (110, 16363637), (773, 2328590), (1546, 1164295), (3865, 465718), (7730, 232859), (8503, 211690), (17006, 105845), (21169, 85030), (42338, 42515)]