4152940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 9757440

約数和(自身を除く): 5604500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 439, 473, 860, 878, 946, 1756, 1892, 2195, 2365, 4390, 4730, 4829, 8780, 9460, 9658, 18877, 19316, 24145, 37754, 48290, 75508, 94385, 96580, 188770, 207647, 377540, 415294, 830588, 1038235, 2076470, 4152940]

約数ペア:

[(1, 4152940), (2, 2076470), (4, 1038235), (5, 830588), (10, 415294), (11, 377540), (20, 207647), (22, 188770), (43, 96580), (44, 94385), (55, 75508), (86, 48290), (110, 37754), (172, 24145), (215, 19316), (220, 18877), (430, 9658), (439, 9460), (473, 8780), (860, 4829), (878, 4730), (946, 4390), (1756, 2365), (1892, 2195)]