890990780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1536191}}^1$

素因数の和:1536229

約数の個数: 24

約数和(自身を含む): 1935601920

約数和(自身を除く): 1044611140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1536191, 3072382, 6144764, 7680955, 15361910, 30723820, 44549539, 89099078, 178198156, 222747695, 445495390, 890990780]

約数ペア:

[(1, 890990780), (2, 445495390), (4, 222747695), (5, 178198156), (10, 89099078), (20, 44549539), (29, 30723820), (58, 15361910), (116, 7680955), (145, 6144764), (290, 3072382), (580, 1536191)]