647066820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{468889}}^1$

素因数の和:468924

約数の個数: 48

約数和(自身を含む): 1890564480

約数和(自身を除く): 1243497660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 468889, 937778, 1406667, 1875556, 2344445, 2813334, 4688890, 5626668, 7033335, 9377780, 10784447, 14066670, 21568894, 28133340, 32353341, 43137788, 53922235, 64706682, 107844470, 129413364, 161766705, 215688940, 323533410, 647066820]

約数ペア:

[(1, 647066820), (2, 323533410), (3, 215688940), (4, 161766705), (5, 129413364), (6, 107844470), (10, 64706682), (12, 53922235), (15, 43137788), (20, 32353341), (23, 28133340), (30, 21568894), (46, 14066670), (60, 10784447), (69, 9377780), (92, 7033335), (115, 5626668), (138, 4688890), (230, 2813334), (276, 2344445), (345, 1875556), (460, 1406667), (690, 937778), (1380, 468889)]