207782890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1523}}^1\times {\mathrm{1949}}^1$

素因数の和:3486

約数の個数: 32

約数和(自身を含む): 427939200

約数和(自身を除く): 220156310

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1523, 1949, 3046, 3898, 7615, 9745, 10661, 13643, 15230, 19490, 21322, 27286, 53305, 68215, 106610, 136430, 2968327, 5936654, 14841635, 20778289, 29683270, 41556578, 103891445, 207782890]

約数ペア:

[(1, 207782890), (2, 103891445), (5, 41556578), (7, 29683270), (10, 20778289), (14, 14841635), (35, 5936654), (70, 2968327), (1523, 136430), (1949, 106610), (3046, 68215), (3898, 53305), (7615, 27286), (9745, 21322), (10661, 19490), (13643, 15230)]