128128900

素因数分解:

$2^2\times 5^2\times {\mathrm{293}}^1\times {\mathrm{4373}}^1$

素因数の和:4680

約数の個数: 36

約数和(自身を含む): 279052452

約数和(自身を除く): 150923552

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 293, 586, 1172, 1465, 2930, 4373, 5860, 7325, 8746, 14650, 17492, 21865, 29300, 43730, 87460, 109325, 218650, 437300, 1281289, 2562578, 5125156, 6406445, 12812890, 25625780, 32032225, 64064450, 128128900]

約数ペア:

[(1, 128128900), (2, 64064450), (4, 32032225), (5, 25625780), (10, 12812890), (20, 6406445), (25, 5125156), (50, 2562578), (100, 1281289), (293, 437300), (586, 218650), (1172, 109325), (1465, 87460), (2930, 43730), (4373, 29300), (5860, 21865), (7325, 17492), (8746, 14650)]