90898360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324637}}^1$

素因数の和:324655

約数の個数: 32

約数和(自身を含む): 233739360

約数和(自身を除く): 142841000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324637, 649274, 1298548, 1623185, 2272459, 2597096, 3246370, 4544918, 6492740, 9089836, 11362295, 12985480, 18179672, 22724590, 45449180, 90898360]

約数ペア:

[(1, 90898360), (2, 45449180), (4, 22724590), (5, 18179672), (7, 12985480), (8, 11362295), (10, 9089836), (14, 6492740), (20, 4544918), (28, 3246370), (35, 2597096), (40, 2272459), (56, 1623185), (70, 1298548), (140, 649274), (280, 324637)]