392910520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{71699}}^1$

素因数の和:71847

約数の個数: 32

約数和(自身を含む): 890514000

約数和(自身を除く): 497603480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 71699, 143398, 286796, 358495, 573592, 716990, 1433980, 2867960, 9822763, 19645526, 39291052, 49113815, 78582104, 98227630, 196455260, 392910520]

約数ペア:

[(1, 392910520), (2, 196455260), (4, 98227630), (5, 78582104), (8, 49113815), (10, 39291052), (20, 19645526), (40, 9822763), (137, 2867960), (274, 1433980), (548, 716990), (685, 573592), (1096, 358495), (1370, 286796), (2740, 143398), (5480, 71699)]