2220848

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 4999680

約数和(自身を除く): 2778832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 251, 316, 502, 553, 632, 1004, 1106, 1264, 1757, 2008, 2212, 3514, 4016, 4424, 7028, 8848, 14056, 19829, 28112, 39658, 79316, 138803, 158632, 277606, 317264, 555212, 1110424, 2220848]

約数ペア:

[(1, 2220848), (2, 1110424), (4, 555212), (7, 317264), (8, 277606), (14, 158632), (16, 138803), (28, 79316), (56, 39658), (79, 28112), (112, 19829), (158, 14056), (251, 8848), (316, 7028), (502, 4424), (553, 4016), (632, 3514), (1004, 2212), (1106, 2008), (1264, 1757)]