214978210

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^2\times {\mathrm{4789}}^1$

素因数の和:4930

約数の個数: 24

約数和(自身を含む): 392904540

約数和(自身を除く): 177926330

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 4489, 4789, 8978, 9578, 22445, 23945, 44890, 47890, 320863, 641726, 1604315, 3208630, 21497821, 42995642, 107489105, 214978210]

約数ペア:

[(1, 214978210), (2, 107489105), (5, 42995642), (10, 21497821), (67, 3208630), (134, 1604315), (335, 641726), (670, 320863), (4489, 47890), (4789, 44890), (8978, 23945), (9578, 22445)]