801531220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{817889}}^1$

素因数の和:817912

約数の個数: 36

約数和(自身を含む): 1958028660

約数和(自身を除く): 1156497440

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 817889, 1635778, 3271556, 4089445, 5725223, 8178890, 11450446, 16357780, 22900892, 28626115, 40076561, 57252230, 80153122, 114504460, 160306244, 200382805, 400765610, 801531220]

約数ペア:

[(1, 801531220), (2, 400765610), (4, 200382805), (5, 160306244), (7, 114504460), (10, 80153122), (14, 57252230), (20, 40076561), (28, 28626115), (35, 22900892), (49, 16357780), (70, 11450446), (98, 8178890), (140, 5725223), (196, 4089445), (245, 3271556), (490, 1635778), (980, 817889)]