31357400

素因数分解:

$2^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1889}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 73823400

約数和(自身を除く): 42466000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 166, 200, 332, 415, 664, 830, 1660, 1889, 2075, 3320, 3778, 4150, 7556, 8300, 9445, 15112, 16600, 18890, 37780, 47225, 75560, 94450, 156787, 188900, 313574, 377800, 627148, 783935, 1254296, 1567870, 3135740, 3919675, 6271480, 7839350, 15678700, 31357400]

約数ペア:

[(1, 31357400), (2, 15678700), (4, 7839350), (5, 6271480), (8, 3919675), (10, 3135740), (20, 1567870), (25, 1254296), (40, 783935), (50, 627148), (83, 377800), (100, 313574), (166, 188900), (200, 156787), (332, 94450), (415, 75560), (664, 47225), (830, 37780), (1660, 18890), (1889, 16600), (2075, 15112), (3320, 9445), (3778, 8300), (4150, 7556)]