171870020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{2663}}^1$

素因数の和:3140

約数の個数: 48

約数和(自身を含む): 413538048

約数和(自身を除く): 241668028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461, 922, 1844, 2305, 2663, 3227, 4610, 5326, 6454, 9220, 10652, 12908, 13315, 16135, 18641, 26630, 32270, 37282, 53260, 64540, 74564, 93205, 186410, 372820, 1227643, 2455286, 4910572, 6138215, 8593501, 12276430, 17187002, 24552860, 34374004, 42967505, 85935010, 171870020]

約数ペア:

[(1, 171870020), (2, 85935010), (4, 42967505), (5, 34374004), (7, 24552860), (10, 17187002), (14, 12276430), (20, 8593501), (28, 6138215), (35, 4910572), (70, 2455286), (140, 1227643), (461, 372820), (922, 186410), (1844, 93205), (2305, 74564), (2663, 64540), (3227, 53260), (4610, 37282), (5326, 32270), (6454, 26630), (9220, 18641), (10652, 16135), (12908, 13315)]