90898020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{504989}}^1$

素因数の和:505004

約数の個数: 36

約数和(自身を含む): 275724540

約数和(自身を除く): 184826520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 504989, 1009978, 1514967, 2019956, 2524945, 3029934, 4544901, 5049890, 6059868, 7574835, 9089802, 10099780, 15149670, 18179604, 22724505, 30299340, 45449010, 90898020]

約数ペア:

[(1, 90898020), (2, 45449010), (3, 30299340), (4, 22724505), (5, 18179604), (6, 15149670), (9, 10099780), (10, 9089802), (12, 7574835), (15, 6059868), (18, 5049890), (20, 4544901), (30, 3029934), (36, 2524945), (45, 2019956), (60, 1514967), (90, 1009978), (180, 504989)]