2019980830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{129403}}^1$

素因数の和:129640

約数の個数: 32

約数和(自身を含む): 4174055424

約数和(自身を除く): 2154074594

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 223, 446, 1115, 1561, 2230, 3122, 7805, 15610, 129403, 258806, 647015, 905821, 1294030, 1811642, 4529105, 9058210, 28856869, 57713738, 144284345, 201998083, 288568690, 403996166, 1009990415, 2019980830]

約数ペア:

[(1, 2019980830), (2, 1009990415), (5, 403996166), (7, 288568690), (10, 201998083), (14, 144284345), (35, 57713738), (70, 28856869), (223, 9058210), (446, 4529105), (1115, 1811642), (1561, 1294030), (2230, 905821), (3122, 647015), (7805, 258806), (15610, 129403)]