251282030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{32257}}^1$

素因数の和:32324

約数の個数: 32

約数和(自身を含む): 487740960

約数和(自身を除く): 236458930

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 32257, 64514, 161285, 322570, 612883, 1225766, 1322537, 2645074, 3064415, 6128830, 6612685, 13225370, 25128203, 50256406, 125641015, 251282030]

約数ペア:

[(1, 251282030), (2, 125641015), (5, 50256406), (10, 25128203), (19, 13225370), (38, 6612685), (41, 6128830), (82, 3064415), (95, 2645074), (190, 1322537), (205, 1225766), (410, 612883), (779, 322570), (1558, 161285), (3895, 64514), (7790, 32257)]