289885880

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{122833}}^1$

素因数の和:122903

約数の個数: 32

約数和(自身を含む): 663303600

約数和(自身を除く): 373417720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 122833, 245666, 491332, 614165, 982664, 1228330, 2456660, 4913320, 7247147, 14494294, 28988588, 36235735, 57977176, 72471470, 144942940, 289885880]

約数ペア:

[(1, 289885880), (2, 144942940), (4, 72471470), (5, 57977176), (8, 36235735), (10, 28988588), (20, 14494294), (40, 7247147), (59, 4913320), (118, 2456660), (236, 1228330), (295, 982664), (472, 614165), (590, 491332), (1180, 245666), (2360, 122833)]