221490290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{2027}}^1$

素因数の和:2271

約数の個数: 48

約数和(自身を含む): 466083072

約数和(自身を除く): 244592782

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 223, 245, 446, 490, 1115, 1561, 2027, 2230, 3122, 4054, 7805, 10135, 10927, 14189, 15610, 20270, 21854, 28378, 54635, 70945, 99323, 109270, 141890, 198646, 452021, 496615, 904042, 993230, 2260105, 3164147, 4520210, 6328294, 15820735, 22149029, 31641470, 44298058, 110745145, 221490290]

約数ペア:

[(1, 221490290), (2, 110745145), (5, 44298058), (7, 31641470), (10, 22149029), (14, 15820735), (35, 6328294), (49, 4520210), (70, 3164147), (98, 2260105), (223, 993230), (245, 904042), (446, 496615), (490, 452021), (1115, 198646), (1561, 141890), (2027, 109270), (2230, 99323), (3122, 70945), (4054, 54635), (7805, 28378), (10135, 21854), (10927, 20270), (14189, 15610)]