858241540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{4591}}^1$

素因数の和:5332

約数の個数: 48

約数和(自身を含む): 1944069120

約数和(自身を除く): 1085827580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 719, 1438, 2876, 3595, 4591, 7190, 9182, 9347, 14380, 18364, 18694, 22955, 37388, 45910, 46735, 59683, 91820, 93470, 119366, 186940, 238732, 298415, 596830, 1193660, 3300929, 6601858, 13203716, 16504645, 33009290, 42912077, 66018580, 85824154, 171648308, 214560385, 429120770, 858241540]

約数ペア:

[(1, 858241540), (2, 429120770), (4, 214560385), (5, 171648308), (10, 85824154), (13, 66018580), (20, 42912077), (26, 33009290), (52, 16504645), (65, 13203716), (130, 6601858), (260, 3300929), (719, 1193660), (1438, 596830), (2876, 298415), (3595, 238732), (4591, 186940), (7190, 119366), (9182, 93470), (9347, 91820), (14380, 59683), (18364, 46735), (18694, 45910), (22955, 37388)]