77798980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{555707}}^1$

素因数の和:555723

約数の個数: 24

約数和(自身を含む): 186717888

約数和(自身を除く): 108918908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 555707, 1111414, 2222828, 2778535, 3889949, 5557070, 7779898, 11114140, 15559796, 19449745, 38899490, 77798980]

約数ペア:

[(1, 77798980), (2, 38899490), (4, 19449745), (5, 15559796), (7, 11114140), (10, 7779898), (14, 5557070), (20, 3889949), (28, 2778535), (35, 2222828), (70, 1111414), (140, 555707)]