331329980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1\times {\mathrm{983}}^1$

素因数の和:1898

約数の個数: 48

約数和(自身を含む): 733985280

約数和(自身を除く): 402655300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 887, 983, 1774, 1966, 3548, 3932, 4435, 4915, 8870, 9830, 16853, 17740, 18677, 19660, 33706, 37354, 67412, 74708, 84265, 93385, 168530, 186770, 337060, 373540, 871921, 1743842, 3487684, 4359605, 8719210, 16566499, 17438420, 33132998, 66265996, 82832495, 165664990, 331329980]

約数ペア:

[(1, 331329980), (2, 165664990), (4, 82832495), (5, 66265996), (10, 33132998), (19, 17438420), (20, 16566499), (38, 8719210), (76, 4359605), (95, 3487684), (190, 1743842), (380, 871921), (887, 373540), (983, 337060), (1774, 186770), (1966, 168530), (3548, 93385), (3932, 84265), (4435, 74708), (4915, 67412), (8870, 37354), (9830, 33706), (16853, 19660), (17740, 18677)]