201644650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3889}}^1$

素因数の和:3979

約数の個数: 48

約数和(自身を含む): 403735320

約数和(自身を除く): 202090670

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 61, 85, 122, 170, 305, 425, 610, 850, 1037, 1525, 2074, 3050, 3889, 5185, 7778, 10370, 19445, 25925, 38890, 51850, 66113, 97225, 132226, 194450, 237229, 330565, 474458, 661130, 1186145, 1652825, 2372290, 3305650, 4032893, 5930725, 8065786, 11861450, 20164465, 40328930, 100822325, 201644650]

約数ペア:

[(1, 201644650), (2, 100822325), (5, 40328930), (10, 20164465), (17, 11861450), (25, 8065786), (34, 5930725), (50, 4032893), (61, 3305650), (85, 2372290), (122, 1652825), (170, 1186145), (305, 661130), (425, 474458), (610, 330565), (850, 237229), (1037, 194450), (1525, 132226), (2074, 97225), (3050, 66113), (3889, 51850), (5185, 38890), (7778, 25925), (10370, 19445)]