210542900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1041

約数の個数: 72

約数和(自身を含む): 479136000

約数和(自身を除く): 268593100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 79, 100, 116, 145, 158, 290, 316, 395, 580, 725, 790, 919, 1450, 1580, 1838, 1975, 2291, 2900, 3676, 3950, 4582, 4595, 7900, 9164, 9190, 11455, 18380, 22910, 22975, 26651, 45820, 45950, 53302, 57275, 72601, 91900, 106604, 114550, 133255, 145202, 229100, 266510, 290404, 363005, 533020, 666275, 726010, 1332550, 1452020, 1815025, 2105429, 2665100, 3630050, 4210858, 7260100, 8421716, 10527145, 21054290, 42108580, 52635725, 105271450, 210542900]

約数ペア:

[(1, 210542900), (2, 105271450), (4, 52635725), (5, 42108580), (10, 21054290), (20, 10527145), (25, 8421716), (29, 7260100), (50, 4210858), (58, 3630050), (79, 2665100), (100, 2105429), (116, 1815025), (145, 1452020), (158, 1332550), (290, 726010), (316, 666275), (395, 533020), (580, 363005), (725, 290404), (790, 266510), (919, 229100), (1450, 145202), (1580, 133255), (1838, 114550), (1975, 106604), (2291, 91900), (2900, 72601), (3676, 57275), (3950, 53302), (4582, 45950), (4595, 45820), (7900, 26651), (9164, 22975), (9190, 22910), (11455, 18380)]