71048620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 153806688

約数和(自身を除く): 82758068

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 194, 212, 265, 388, 485, 530, 691, 970, 1060, 1382, 1940, 2764, 3455, 5141, 6910, 10282, 13820, 20564, 25705, 36623, 51410, 67027, 73246, 102820, 134054, 146492, 183115, 268108, 335135, 366230, 670270, 732460, 1340540, 3552431, 7104862, 14209724, 17762155, 35524310, 71048620]

約数ペア:

[(1, 71048620), (2, 35524310), (4, 17762155), (5, 14209724), (10, 7104862), (20, 3552431), (53, 1340540), (97, 732460), (106, 670270), (194, 366230), (212, 335135), (265, 268108), (388, 183115), (485, 146492), (530, 134054), (691, 102820), (970, 73246), (1060, 67027), (1382, 51410), (1940, 36623), (2764, 25705), (3455, 20564), (5141, 13820), (6910, 10282)]