668839760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{288293}}^1$

素因数の和:288335

約数の個数: 40

約数和(自身を含む): 1608680520

約数和(自身を除く): 939840760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 288293, 576586, 1153172, 1441465, 2306344, 2882930, 4612688, 5765860, 8360497, 11531720, 16720994, 23063440, 33441988, 41802485, 66883976, 83604970, 133767952, 167209940, 334419880, 668839760]

約数ペア:

[(1, 668839760), (2, 334419880), (4, 167209940), (5, 133767952), (8, 83604970), (10, 66883976), (16, 41802485), (20, 33441988), (29, 23063440), (40, 16720994), (58, 11531720), (80, 8360497), (116, 5765860), (145, 4612688), (232, 2882930), (290, 2306344), (464, 1441465), (580, 1153172), (1160, 576586), (2320, 288293)]