7040620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 15624000

約数和(自身を除く): 8583380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 199, 244, 290, 305, 398, 580, 610, 796, 995, 1220, 1769, 1990, 3538, 3980, 5771, 7076, 8845, 11542, 12139, 17690, 23084, 24278, 28855, 35380, 48556, 57710, 60695, 115420, 121390, 242780, 352031, 704062, 1408124, 1760155, 3520310, 7040620]

約数ペア:

[(1, 7040620), (2, 3520310), (4, 1760155), (5, 1408124), (10, 704062), (20, 352031), (29, 242780), (58, 121390), (61, 115420), (116, 60695), (122, 57710), (145, 48556), (199, 35380), (244, 28855), (290, 24278), (305, 23084), (398, 17690), (580, 12139), (610, 11542), (796, 8845), (995, 7076), (1220, 5771), (1769, 3980), (1990, 3538)]