28463420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 63866880

約数和(自身を除く): 35403460

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1439, 1978, 2878, 3956, 4945, 5756, 7195, 9890, 14390, 19780, 28780, 33097, 61877, 66194, 123754, 132388, 165485, 247508, 309385, 330970, 618770, 661940, 1237540, 1423171, 2846342, 5692684, 7115855, 14231710, 28463420]

約数ペア:

[(1, 28463420), (2, 14231710), (4, 7115855), (5, 5692684), (10, 2846342), (20, 1423171), (23, 1237540), (43, 661940), (46, 618770), (86, 330970), (92, 309385), (115, 247508), (172, 165485), (215, 132388), (230, 123754), (430, 66194), (460, 61877), (860, 33097), (989, 28780), (1439, 19780), (1978, 14390), (2878, 9890), (3956, 7195), (4945, 5756)]