2447060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 6549984

約数和(自身を除く): 4102924

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 227, 245, 308, 385, 454, 490, 539, 770, 908, 980, 1078, 1135, 1540, 1589, 2156, 2270, 2497, 2695, 3178, 4540, 4994, 5390, 6356, 7945, 9988, 10780, 11123, 12485, 15890, 17479, 22246, 24970, 31780, 34958, 44492, 49940, 55615, 69916, 87395, 111230, 122353, 174790, 222460, 244706, 349580, 489412, 611765, 1223530, 2447060]

約数ペア:

[(1, 2447060), (2, 1223530), (4, 611765), (5, 489412), (7, 349580), (10, 244706), (11, 222460), (14, 174790), (20, 122353), (22, 111230), (28, 87395), (35, 69916), (44, 55615), (49, 49940), (55, 44492), (70, 34958), (77, 31780), (98, 24970), (110, 22246), (140, 17479), (154, 15890), (196, 12485), (220, 11123), (227, 10780), (245, 9988), (308, 7945), (385, 6356), (454, 5390), (490, 4994), (539, 4540), (770, 3178), (908, 2695), (980, 2497), (1078, 2270), (1135, 2156), (1540, 1589)]