78310970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 148841280

約数和(自身を除く): 70530310

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 641, 643, 1282, 1286, 3205, 3215, 6410, 6430, 12179, 12217, 24358, 24434, 60895, 61085, 121790, 122170, 412163, 824326, 2060815, 4121630, 7831097, 15662194, 39155485, 78310970]

約数ペア:

[(1, 78310970), (2, 39155485), (5, 15662194), (10, 7831097), (19, 4121630), (38, 2060815), (95, 824326), (190, 412163), (641, 122170), (643, 121790), (1282, 61085), (1286, 60895), (3205, 24434), (3215, 24358), (6410, 12217), (6430, 12179)]