354208790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{6761}}^1$

素因数の和:6825

約数の個数: 48

約数和(自身を含む): 712768896

約数和(自身を除く): 358560106

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 4030, 5239, 6761, 10478, 13522, 26195, 33805, 52390, 67610, 87893, 175786, 209591, 419182, 439465, 878930, 1047955, 1142609, 2095910, 2285218, 2724683, 5449366, 5713045, 11426090, 13623415, 27246830, 35420879, 70841758, 177104395, 354208790]

約数ペア:

[(1, 354208790), (2, 177104395), (5, 70841758), (10, 35420879), (13, 27246830), (26, 13623415), (31, 11426090), (62, 5713045), (65, 5449366), (130, 2724683), (155, 2285218), (169, 2095910), (310, 1142609), (338, 1047955), (403, 878930), (806, 439465), (845, 419182), (1690, 209591), (2015, 175786), (4030, 87893), (5239, 67610), (6761, 52390), (10478, 33805), (13522, 26195)]