779898980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5570707}}^1$

素因数の和:5570723

約数の個数: 24

約数和(自身を含む): 1871757888

約数和(自身を除く): 1091858908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5570707, 11141414, 22282828, 27853535, 38994949, 55707070, 77989898, 111414140, 155979796, 194974745, 389949490, 779898980]

約数ペア:

[(1, 779898980), (2, 389949490), (4, 194974745), (5, 155979796), (7, 111414140), (10, 77989898), (14, 55707070), (20, 38994949), (28, 27853535), (35, 22282828), (70, 11141414), (140, 5570707)]