17908030

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 21490370

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 227, 230, 245, 322, 343, 454, 490, 686, 805, 1127, 1135, 1589, 1610, 1715, 2254, 2270, 3178, 3430, 5221, 5635, 7889, 7945, 10442, 11123, 11270, 15778, 15890, 22246, 26105, 36547, 39445, 52210, 55615, 73094, 77861, 78890, 111230, 155722, 182735, 255829, 365470, 389305, 511658, 778610, 1279145, 1790803, 2558290, 3581606, 8954015, 17908030]

約数ペア:

[(1, 17908030), (2, 8954015), (5, 3581606), (7, 2558290), (10, 1790803), (14, 1279145), (23, 778610), (35, 511658), (46, 389305), (49, 365470), (70, 255829), (98, 182735), (115, 155722), (161, 111230), (227, 78890), (230, 77861), (245, 73094), (322, 55615), (343, 52210), (454, 39445), (490, 36547), (686, 26105), (805, 22246), (1127, 15890), (1135, 15778), (1589, 11270), (1610, 11123), (1715, 10442), (2254, 7945), (2270, 7889), (3178, 5635), (3430, 5221)]