69817940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 149954112

約数和(自身を除く): 80136172

約数列:

[1, 2, 4, 5, 10, 20, 83, 137, 166, 274, 307, 332, 415, 548, 614, 685, 830, 1228, 1370, 1535, 1660, 2740, 3070, 6140, 11371, 22742, 25481, 42059, 45484, 50962, 56855, 84118, 101924, 113710, 127405, 168236, 210295, 227420, 254810, 420590, 509620, 841180, 3490897, 6981794, 13963588, 17454485, 34908970, 69817940]

約数ペア:

[(1, 69817940), (2, 34908970), (4, 17454485), (5, 13963588), (10, 6981794), (20, 3490897), (83, 841180), (137, 509620), (166, 420590), (274, 254810), (307, 227420), (332, 210295), (415, 168236), (548, 127405), (614, 113710), (685, 101924), (830, 84118), (1228, 56855), (1370, 50962), (1535, 45484), (1660, 42059), (2740, 25481), (3070, 22742), (6140, 11371)]