2893540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 6773760

約数和(自身を除く): 3880220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 359, 403, 620, 718, 806, 1436, 1612, 1795, 2015, 3590, 4030, 4667, 7180, 8060, 9334, 11129, 18668, 22258, 23335, 44516, 46670, 55645, 93340, 111290, 144677, 222580, 289354, 578708, 723385, 1446770, 2893540]

約数ペア:

[(1, 2893540), (2, 1446770), (4, 723385), (5, 578708), (10, 289354), (13, 222580), (20, 144677), (26, 111290), (31, 93340), (52, 55645), (62, 46670), (65, 44516), (124, 23335), (130, 22258), (155, 18668), (260, 11129), (310, 9334), (359, 8060), (403, 7180), (620, 4667), (718, 4030), (806, 3590), (1436, 2015), (1612, 1795)]