315876680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{5669}}^1$

素因数の和:5886

約数の個数: 64

約数和(自身を含む): 816480000

約数和(自身を除く): 500603320

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, 3980, 5572, 5669, 6965, 7960, 11144, 11338, 13930, 22676, 27860, 28345, 39683, 45352, 55720, 56690, 79366, 113380, 158732, 198415, 226760, 317464, 396830, 793660, 1128131, 1587320, 2256262, 4512524, 5640655, 7896917, 9025048, 11281310, 15793834, 22562620, 31587668, 39484585, 45125240, 63175336, 78969170, 157938340, 315876680]

約数ペア:

[(1, 315876680), (2, 157938340), (4, 78969170), (5, 63175336), (7, 45125240), (8, 39484585), (10, 31587668), (14, 22562620), (20, 15793834), (28, 11281310), (35, 9025048), (40, 7896917), (56, 5640655), (70, 4512524), (140, 2256262), (199, 1587320), (280, 1128131), (398, 793660), (796, 396830), (995, 317464), (1393, 226760), (1592, 198415), (1990, 158732), (2786, 113380), (3980, 79366), (5572, 56690), (5669, 55720), (6965, 45352), (7960, 39683), (11144, 28345), (11338, 27860), (13930, 22676)]