90079780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5903}}^1$

素因数の和:6028

約数の個数: 48

約数和(自身を含む): 218211840

約数和(自身を除く): 128132060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 5903, 7630, 11806, 15260, 23612, 29515, 41321, 59030, 82642, 118060, 165284, 206605, 413210, 643427, 826420, 1286854, 2573708, 3217135, 4503989, 6434270, 9007978, 12868540, 18015956, 22519945, 45039890, 90079780]

約数ペア:

[(1, 90079780), (2, 45039890), (4, 22519945), (5, 18015956), (7, 12868540), (10, 9007978), (14, 6434270), (20, 4503989), (28, 3217135), (35, 2573708), (70, 1286854), (109, 826420), (140, 643427), (218, 413210), (436, 206605), (545, 165284), (763, 118060), (1090, 82642), (1526, 59030), (2180, 41321), (3052, 29515), (3815, 23612), (5903, 15260), (7630, 11806)]