1899412240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2158423}}^1$

素因数の和:2158447

約数の個数: 40

約数和(自身を含む): 4817602368

約数和(自身を除く): 2918190128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2158423, 4316846, 8633692, 10792115, 17267384, 21584230, 23742653, 34534768, 43168460, 47485306, 86336920, 94970612, 118713265, 172673840, 189941224, 237426530, 379882448, 474853060, 949706120, 1899412240]

約数ペア:

[(1, 1899412240), (2, 949706120), (4, 474853060), (5, 379882448), (8, 237426530), (10, 189941224), (11, 172673840), (16, 118713265), (20, 94970612), (22, 86336920), (40, 47485306), (44, 43168460), (55, 34534768), (80, 23742653), (88, 21584230), (110, 17267384), (176, 10792115), (220, 8633692), (440, 4316846), (880, 2158423)]