77709140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 166924800

約数和(自身を除く): 89215660

約数列:

[1, 2, 4, 5, 10, 20, 79, 137, 158, 274, 316, 359, 395, 548, 685, 718, 790, 1370, 1436, 1580, 1795, 2740, 3590, 7180, 10823, 21646, 28361, 43292, 49183, 54115, 56722, 98366, 108230, 113444, 141805, 196732, 216460, 245915, 283610, 491830, 567220, 983660, 3885457, 7770914, 15541828, 19427285, 38854570, 77709140]

約数ペア:

[(1, 77709140), (2, 38854570), (4, 19427285), (5, 15541828), (10, 7770914), (20, 3885457), (79, 983660), (137, 567220), (158, 491830), (274, 283610), (316, 245915), (359, 216460), (395, 196732), (548, 141805), (685, 113444), (718, 108230), (790, 98366), (1370, 56722), (1436, 54115), (1580, 49183), (1795, 43292), (2740, 28361), (3590, 21646), (7180, 10823)]