2217963620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1\times {\mathrm{1009}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 4703529600

約数和(自身を除く): 2485565980

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 839, 1009, 1310, 1678, 2018, 2620, 3356, 4036, 4195, 5045, 8390, 10090, 16780, 20180, 109909, 132179, 219818, 264358, 439636, 528716, 549545, 660895, 846551, 1099090, 1321790, 1693102, 2198180, 2643580, 3386204, 4232755, 8465510, 16931020, 110898181, 221796362, 443592724, 554490905, 1108981810, 2217963620]

約数ペア:

[(1, 2217963620), (2, 1108981810), (4, 554490905), (5, 443592724), (10, 221796362), (20, 110898181), (131, 16931020), (262, 8465510), (524, 4232755), (655, 3386204), (839, 2643580), (1009, 2198180), (1310, 1693102), (1678, 1321790), (2018, 1099090), (2620, 846551), (3356, 660895), (4036, 549545), (4195, 528716), (5045, 439636), (8390, 264358), (10090, 219818), (16780, 132179), (20180, 109909)]