206009580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{490499}}^1$

素因数の和:490518

約数の個数: 48

約数和(自身を含む): 659232000

約数和(自身を除く): 453222420

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, 490499, 980998, 1471497, 1961996, 2452495, 2942994, 3433493, 4904990, 5885988, 6866986, 7357485, 9809980, 10300479, 13733972, 14714970, 17167465, 20600958, 29429940, 34334930, 41201916, 51502395, 68669860, 103004790, 206009580]

約数ペア:

[(1, 206009580), (2, 103004790), (3, 68669860), (4, 51502395), (5, 41201916), (6, 34334930), (7, 29429940), (10, 20600958), (12, 17167465), (14, 14714970), (15, 13733972), (20, 10300479), (21, 9809980), (28, 7357485), (30, 6866986), (35, 5885988), (42, 4904990), (60, 3433493), (70, 2942994), (84, 2452495), (105, 1961996), (140, 1471497), (210, 980998), (420, 490499)]