218605300

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{15727}}^1$

素因数の和:15880

約数の個数: 36

約数和(自身を含む): 477816640

約数和(自身を除く): 259211340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 6950, 13900, 15727, 31454, 62908, 78635, 157270, 314540, 393175, 786350, 1572700, 2186053, 4372106, 8744212, 10930265, 21860530, 43721060, 54651325, 109302650, 218605300]

約数ペア:

[(1, 218605300), (2, 109302650), (4, 54651325), (5, 43721060), (10, 21860530), (20, 10930265), (25, 8744212), (50, 4372106), (100, 2186053), (139, 1572700), (278, 786350), (556, 393175), (695, 314540), (1390, 157270), (2780, 78635), (3475, 62908), (6950, 31454), (13900, 15727)]