514940720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{971}}^1$

素因数の和:1938

約数の個数: 80

約数和(自身を含む): 1371126528

約数和(自身を除く): 856185808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 947, 971, 1894, 1942, 3788, 3884, 4735, 4855, 6629, 6797, 7576, 7768, 9470, 9710, 13258, 13594, 15152, 15536, 18940, 19420, 26516, 27188, 33145, 33985, 37880, 38840, 53032, 54376, 66290, 67970, 75760, 77680, 106064, 108752, 132580, 135940, 265160, 271880, 530320, 543760, 919537, 1839074, 3678148, 4597685, 6436759, 7356296, 9195370, 12873518, 14712592, 18390740, 25747036, 32183795, 36781480, 51494072, 64367590, 73562960, 102988144, 128735180, 257470360, 514940720]

約数ペア:

[(1, 514940720), (2, 257470360), (4, 128735180), (5, 102988144), (7, 73562960), (8, 64367590), (10, 51494072), (14, 36781480), (16, 32183795), (20, 25747036), (28, 18390740), (35, 14712592), (40, 12873518), (56, 9195370), (70, 7356296), (80, 6436759), (112, 4597685), (140, 3678148), (280, 1839074), (560, 919537), (947, 543760), (971, 530320), (1894, 271880), (1942, 265160), (3788, 135940), (3884, 132580), (4735, 108752), (4855, 106064), (6629, 77680), (6797, 75760), (7576, 67970), (7768, 66290), (9470, 54376), (9710, 53032), (13258, 38840), (13594, 37880), (15152, 33985), (15536, 33145), (18940, 27188), (19420, 26516)]