204548120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3671}}^1$

素因数の和:3888

約数の個数: 64

約数和(自身を含む): 528768000

約数和(自身を除く): 324219880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1592, 1990, 2786, 3671, 3980, 5572, 6965, 7342, 7960, 11144, 13930, 14684, 18355, 25697, 27860, 29368, 36710, 51394, 55720, 73420, 102788, 128485, 146840, 205576, 256970, 513940, 730529, 1027880, 1461058, 2922116, 3652645, 5113703, 5844232, 7305290, 10227406, 14610580, 20454812, 25568515, 29221160, 40909624, 51137030, 102274060, 204548120]

約数ペア:

[(1, 204548120), (2, 102274060), (4, 51137030), (5, 40909624), (7, 29221160), (8, 25568515), (10, 20454812), (14, 14610580), (20, 10227406), (28, 7305290), (35, 5844232), (40, 5113703), (56, 3652645), (70, 2922116), (140, 1461058), (199, 1027880), (280, 730529), (398, 513940), (796, 256970), (995, 205576), (1393, 146840), (1592, 128485), (1990, 102788), (2786, 73420), (3671, 55720), (3980, 51394), (5572, 36710), (6965, 29368), (7342, 27860), (7960, 25697), (11144, 18355), (13930, 14684)]