211317540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{503137}}^1$

素因数の和:503156

約数の個数: 48

約数和(自身を含む): 676217472

約数和(自身を除く): 464899932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 503137, 1006274, 1509411, 2012548, 2515685, 3018822, 3521959, 5031370, 6037644, 7043918, 7547055, 10062740, 10565877, 14087836, 15094110, 17609795, 21131754, 30188220, 35219590, 42263508, 52829385, 70439180, 105658770, 211317540]

約数ペア:

[(1, 211317540), (2, 105658770), (3, 70439180), (4, 52829385), (5, 42263508), (6, 35219590), (7, 30188220), (10, 21131754), (12, 17609795), (14, 15094110), (15, 14087836), (20, 10565877), (21, 10062740), (28, 7547055), (30, 7043918), (35, 6037644), (42, 5031370), (60, 3521959), (70, 3018822), (84, 2515685), (105, 2012548), (140, 1509411), (210, 1006274), (420, 503137)]