290403988

素因数分解:

$2^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{5903}}^1$

素因数の和:6172

約数の個数: 36

約数和(自身を含む): 593635392

約数和(自身を除く): 303231404

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 251, 502, 1004, 1757, 3514, 5903, 7028, 11806, 12299, 23612, 24598, 41321, 49196, 82642, 165284, 289247, 578494, 1156988, 1481653, 2963306, 5926612, 10371571, 20743142, 41486284, 72600997, 145201994, 290403988]

約数ペア:

[(1, 290403988), (2, 145201994), (4, 72600997), (7, 41486284), (14, 20743142), (28, 10371571), (49, 5926612), (98, 2963306), (196, 1481653), (251, 1156988), (502, 578494), (1004, 289247), (1757, 165284), (3514, 82642), (5903, 49196), (7028, 41321), (11806, 24598), (12299, 23612)]