217444990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{135059}}^1$

素因数の和:135096

約数の個数: 32

約数和(自身を含む): 466767360

約数和(自身を除く): 249322370

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 135059, 270118, 675295, 945413, 1350590, 1890826, 3106357, 4727065, 6212714, 9454130, 15531785, 21744499, 31063570, 43488998, 108722495, 217444990]

約数ペア:

[(1, 217444990), (2, 108722495), (5, 43488998), (7, 31063570), (10, 21744499), (14, 15531785), (23, 9454130), (35, 6212714), (46, 4727065), (70, 3106357), (115, 1890826), (161, 1350590), (230, 945413), (322, 675295), (805, 270118), (1610, 135059)]