1899700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{157}}^1$

素因数の和:193

約数の個数: 54

約数和(自身を含む): 4560038

約数和(自身を除く): 2660338

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 157, 220, 242, 275, 314, 484, 550, 605, 628, 785, 1100, 1210, 1570, 1727, 2420, 3025, 3140, 3454, 3925, 6050, 6908, 7850, 8635, 12100, 15700, 17270, 18997, 34540, 37994, 43175, 75988, 86350, 94985, 172700, 189970, 379940, 474925, 949850, 1899700]

約数ペア:

[(1, 1899700), (2, 949850), (4, 474925), (5, 379940), (10, 189970), (11, 172700), (20, 94985), (22, 86350), (25, 75988), (44, 43175), (50, 37994), (55, 34540), (100, 18997), (110, 17270), (121, 15700), (157, 12100), (220, 8635), (242, 7850), (275, 6908), (314, 6050), (484, 3925), (550, 3454), (605, 3140), (628, 3025), (785, 2420), (1100, 1727), (1210, 1570)]