2947780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13399}}^1$

素因数の和:13419

約数の個数: 24

約数和(自身を含む): 6753600

約数和(自身を除く): 3805820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 13399, 26798, 53596, 66995, 133990, 147389, 267980, 294778, 589556, 736945, 1473890, 2947780]

約数ペア:

[(1, 2947780), (2, 1473890), (4, 736945), (5, 589556), (10, 294778), (11, 267980), (20, 147389), (22, 133990), (44, 66995), (55, 53596), (110, 26798), (220, 13399)]