271444660

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{2089}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 584614800

約数和(自身を除く): 313170140

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 146, 178, 292, 356, 365, 445, 730, 890, 1460, 1780, 2089, 4178, 6497, 8356, 10445, 12994, 20890, 25988, 32485, 41780, 64970, 129940, 152497, 185921, 304994, 371842, 609988, 743684, 762485, 929605, 1524970, 1859210, 3049940, 3718420, 13572233, 27144466, 54288932, 67861165, 135722330, 271444660]

約数ペア:

[(1, 271444660), (2, 135722330), (4, 67861165), (5, 54288932), (10, 27144466), (20, 13572233), (73, 3718420), (89, 3049940), (146, 1859210), (178, 1524970), (292, 929605), (356, 762485), (365, 743684), (445, 609988), (730, 371842), (890, 304994), (1460, 185921), (1780, 152497), (2089, 129940), (4178, 64970), (6497, 41780), (8356, 32485), (10445, 25988), (12994, 20890)]