199680180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{475429}}^1$

素因数の和:475448

約数の個数: 48

約数和(自身を含む): 638977920

約数和(自身を除く): 439297740

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, 475429, 950858, 1426287, 1901716, 2377145, 2852574, 3328003, 4754290, 5705148, 6656006, 7131435, 9508580, 9984009, 13312012, 14262870, 16640015, 19968018, 28525740, 33280030, 39936036, 49920045, 66560060, 99840090, 199680180]

約数ペア:

[(1, 199680180), (2, 99840090), (3, 66560060), (4, 49920045), (5, 39936036), (6, 33280030), (7, 28525740), (10, 19968018), (12, 16640015), (14, 14262870), (15, 13312012), (20, 9984009), (21, 9508580), (28, 7131435), (30, 6656006), (35, 5705148), (42, 4754290), (60, 3328003), (70, 2852574), (84, 2377145), (105, 1901716), (140, 1426287), (210, 950858), (420, 475429)]