90391420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3607}}^1$

素因数の和:3802

約数の個数: 48

約数和(自身を含む): 218211840

約数和(自身を除く): 127820420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 3607, 5012, 6265, 7214, 12530, 14428, 18035, 25060, 25249, 36070, 50498, 72140, 100996, 126245, 252490, 504980, 645653, 1291306, 2582612, 3228265, 4519571, 6456530, 9039142, 12913060, 18078284, 22597855, 45195710, 90391420]

約数ペア:

[(1, 90391420), (2, 45195710), (4, 22597855), (5, 18078284), (7, 12913060), (10, 9039142), (14, 6456530), (20, 4519571), (28, 3228265), (35, 2582612), (70, 1291306), (140, 645653), (179, 504980), (358, 252490), (716, 126245), (895, 100996), (1253, 72140), (1790, 50498), (2506, 36070), (3580, 25249), (3607, 25060), (5012, 18035), (6265, 14428), (7214, 12530)]