216354460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1545389}}^1$

素因数の和:1545405

約数の個数: 24

約数和(自身を含む): 519251040

約数和(自身を除く): 302896580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1545389, 3090778, 6181556, 7726945, 10817723, 15453890, 21635446, 30907780, 43270892, 54088615, 108177230, 216354460]

約数ペア:

[(1, 216354460), (2, 108177230), (4, 54088615), (5, 43270892), (7, 30907780), (10, 21635446), (14, 15453890), (20, 10817723), (28, 7726945), (35, 6181556), (70, 3090778), (140, 1545389)]