889395140

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{121171}}^1$

素因数の和:121547

約数の個数: 24

約数和(自身を含む): 1872834432

約数和(自身を除く): 983439292

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 121171, 242342, 484684, 605855, 1211710, 2423420, 44469757, 88939514, 177879028, 222348785, 444697570, 889395140]

約数ペア:

[(1, 889395140), (2, 444697570), (4, 222348785), (5, 177879028), (10, 88939514), (20, 44469757), (367, 2423420), (734, 1211710), (1468, 605855), (1835, 484684), (3670, 242342), (7340, 121171)]