201920300

素因数分解:

$2^2\times 5^2\times {\mathrm{509}}^1\times {\mathrm{3967}}^1$

素因数の和:4490

約数の個数: 36

約数和(自身を含む): 439138560

約数和(自身を除く): 237218260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 509, 1018, 2036, 2545, 3967, 5090, 7934, 10180, 12725, 15868, 19835, 25450, 39670, 50900, 79340, 99175, 198350, 396700, 2019203, 4038406, 8076812, 10096015, 20192030, 40384060, 50480075, 100960150, 201920300]

約数ペア:

[(1, 201920300), (2, 100960150), (4, 50480075), (5, 40384060), (10, 20192030), (20, 10096015), (25, 8076812), (50, 4038406), (100, 2019203), (509, 396700), (1018, 198350), (2036, 99175), (2545, 79340), (3967, 50900), (5090, 39670), (7934, 25450), (10180, 19835), (12725, 15868)]