204617770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 435571200

約数和(自身を除く): 230953430

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 199, 259, 370, 397, 398, 518, 794, 995, 1295, 1393, 1985, 1990, 2590, 2779, 2786, 3970, 5558, 6965, 7363, 13895, 13930, 14689, 14726, 27790, 29378, 36815, 51541, 73445, 73630, 79003, 102823, 103082, 146890, 158006, 205646, 257705, 395015, 514115, 515410, 553021, 790030, 1028230, 1106042, 2765105, 2923111, 5530210, 5846222, 14615555, 20461777, 29231110, 40923554, 102308885, 204617770]

約数ペア:

[(1, 204617770), (2, 102308885), (5, 40923554), (7, 29231110), (10, 20461777), (14, 14615555), (35, 5846222), (37, 5530210), (70, 2923111), (74, 2765105), (185, 1106042), (199, 1028230), (259, 790030), (370, 553021), (397, 515410), (398, 514115), (518, 395015), (794, 257705), (995, 205646), (1295, 158006), (1393, 146890), (1985, 103082), (1990, 102823), (2590, 79003), (2779, 73630), (2786, 73445), (3970, 51541), (5558, 36815), (6965, 29378), (7363, 27790), (13895, 14726), (13930, 14689)]