102904900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{21001}}^1$

素因数の和:21029

約数の個数: 54

約数和(自身を含む): 259773738

約数和(自身を除く): 156868838

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 21001, 42002, 84004, 105005, 147007, 210010, 294014, 420020, 525025, 588028, 735035, 1029049, 1050050, 1470070, 2058098, 2100100, 2940140, 3675175, 4116196, 5145245, 7350350, 10290490, 14700700, 20580980, 25726225, 51452450, 102904900]

約数ペア:

[(1, 102904900), (2, 51452450), (4, 25726225), (5, 20580980), (7, 14700700), (10, 10290490), (14, 7350350), (20, 5145245), (25, 4116196), (28, 3675175), (35, 2940140), (49, 2100100), (50, 2058098), (70, 1470070), (98, 1050050), (100, 1029049), (140, 735035), (175, 588028), (196, 525025), (245, 420020), (350, 294014), (490, 210010), (700, 147007), (980, 105005), (1225, 84004), (2450, 42002), (4900, 21001)]