445565540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{31511}}^1$

素因数の和:31628

約数の個数: 48

約数和(自身を含む): 1079979264

約数和(自身を除く): 634413724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 31511, 63022, 126044, 157555, 220577, 315110, 441154, 630220, 882308, 1102885, 2205770, 3182611, 4411540, 6365222, 12730444, 15913055, 22278277, 31826110, 44556554, 63652220, 89113108, 111391385, 222782770, 445565540]

約数ペア:

[(1, 445565540), (2, 222782770), (4, 111391385), (5, 89113108), (7, 63652220), (10, 44556554), (14, 31826110), (20, 22278277), (28, 15913055), (35, 12730444), (70, 6365222), (101, 4411540), (140, 3182611), (202, 2205770), (404, 1102885), (505, 882308), (707, 630220), (1010, 441154), (1414, 315110), (2020, 220577), (2828, 157555), (3535, 126044), (7070, 63022), (14140, 31511)]