30941060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 67420080

約数和(自身を除く): 36479020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 389, 410, 485, 778, 820, 970, 1556, 1940, 1945, 3890, 3977, 7780, 7954, 15908, 15949, 19885, 31898, 37733, 39770, 63796, 75466, 79540, 79745, 150932, 159490, 188665, 318980, 377330, 754660, 1547053, 3094106, 6188212, 7735265, 15470530, 30941060]

約数ペア:

[(1, 30941060), (2, 15470530), (4, 7735265), (5, 6188212), (10, 3094106), (20, 1547053), (41, 754660), (82, 377330), (97, 318980), (164, 188665), (194, 159490), (205, 150932), (388, 79745), (389, 79540), (410, 75466), (485, 63796), (778, 39770), (820, 37733), (970, 31898), (1556, 19885), (1940, 15949), (1945, 15908), (3890, 7954), (3977, 7780)]