1717740970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{678949}}^1$

素因数の和:678990

約数の個数: 32

約数和(自身を含む): 3519676800

約数和(自身を除く): 1801935830

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 678949, 1357898, 3394745, 6789490, 7468439, 14936878, 15615827, 31231654, 37342195, 74684390, 78079135, 156158270, 171774097, 343548194, 858870485, 1717740970]

約数ペア:

[(1, 1717740970), (2, 858870485), (5, 343548194), (10, 171774097), (11, 156158270), (22, 78079135), (23, 74684390), (46, 37342195), (55, 31231654), (110, 15615827), (115, 14936878), (230, 7468439), (253, 6789490), (506, 3394745), (1265, 1357898), (2530, 678949)]