27999700

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1327}}^1$

素因数の和:1552

約数の個数: 36

約数和(自身を含む): 61093312

約数和(自身を除く): 33093612

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 422, 844, 1055, 1327, 2110, 2654, 4220, 5275, 5308, 6635, 10550, 13270, 21100, 26540, 33175, 66350, 132700, 279997, 559994, 1119988, 1399985, 2799970, 5599940, 6999925, 13999850, 27999700]

約数ペア:

[(1, 27999700), (2, 13999850), (4, 6999925), (5, 5599940), (10, 2799970), (20, 1399985), (25, 1119988), (50, 559994), (100, 279997), (211, 132700), (422, 66350), (844, 33175), (1055, 26540), (1327, 21100), (2110, 13270), (2654, 10550), (4220, 6635), (5275, 5308)]