328999780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{3613}}^1$

素因数の和:3808

約数の個数: 48

約数和(自身を含む): 719475120

約数和(自身を除く): 390475340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 290, 314, 580, 628, 785, 1570, 3140, 3613, 4553, 7226, 9106, 14452, 18065, 18212, 22765, 36130, 45530, 72260, 91060, 104777, 209554, 419108, 523885, 567241, 1047770, 1134482, 2095540, 2268964, 2836205, 5672410, 11344820, 16449989, 32899978, 65799956, 82249945, 164499890, 328999780]

約数ペア:

[(1, 328999780), (2, 164499890), (4, 82249945), (5, 65799956), (10, 32899978), (20, 16449989), (29, 11344820), (58, 5672410), (116, 2836205), (145, 2268964), (157, 2095540), (290, 1134482), (314, 1047770), (580, 567241), (628, 523885), (785, 419108), (1570, 209554), (3140, 104777), (3613, 91060), (4553, 72260), (7226, 45530), (9106, 36130), (14452, 22765), (18065, 18212)]