31055260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{379}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 69521760

約数和(自身を除く): 38466500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 241, 340, 379, 482, 758, 964, 1205, 1516, 1895, 2410, 3790, 4097, 4820, 6443, 7580, 8194, 12886, 16388, 20485, 25772, 32215, 40970, 64430, 81940, 91339, 128860, 182678, 365356, 456695, 913390, 1552763, 1826780, 3105526, 6211052, 7763815, 15527630, 31055260]

約数ペア:

[(1, 31055260), (2, 15527630), (4, 7763815), (5, 6211052), (10, 3105526), (17, 1826780), (20, 1552763), (34, 913390), (68, 456695), (85, 365356), (170, 182678), (241, 128860), (340, 91339), (379, 81940), (482, 64430), (758, 40970), (964, 32215), (1205, 25772), (1516, 20485), (1895, 16388), (2410, 12886), (3790, 8194), (4097, 7580), (4820, 6443)]