678772010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{22709}}^1$

素因数の和:22791

約数の個数: 48

約数和(自身を含む): 1444628520

約数和(自身を除く): 765856510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 854, 2135, 2989, 4270, 5978, 14945, 22709, 29890, 45418, 113545, 158963, 227090, 317926, 794815, 1112741, 1385249, 1589630, 2225482, 2770498, 5563705, 6926245, 9696743, 11127410, 13852490, 19393486, 48483715, 67877201, 96967430, 135754402, 339386005, 678772010]

約数ペア:

[(1, 678772010), (2, 339386005), (5, 135754402), (7, 96967430), (10, 67877201), (14, 48483715), (35, 19393486), (49, 13852490), (61, 11127410), (70, 9696743), (98, 6926245), (122, 5563705), (245, 2770498), (305, 2225482), (427, 1589630), (490, 1385249), (610, 1112741), (854, 794815), (2135, 317926), (2989, 227090), (4270, 158963), (5978, 113545), (14945, 45418), (22709, 29890)]