90202280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1163}}^1$

素因数の和:1458

約数の個数: 64

約数和(自身を含む): 232986240

約数和(自身を除く): 142783960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 554, 1108, 1163, 1385, 1939, 2216, 2326, 2770, 3878, 4652, 5540, 5815, 7756, 8141, 9304, 9695, 11080, 11630, 15512, 16282, 19390, 23260, 32564, 38780, 40705, 46520, 65128, 77560, 81410, 162820, 322151, 325640, 644302, 1288604, 1610755, 2255057, 2577208, 3221510, 4510114, 6443020, 9020228, 11275285, 12886040, 18040456, 22550570, 45101140, 90202280]

約数ペア:

[(1, 90202280), (2, 45101140), (4, 22550570), (5, 18040456), (7, 12886040), (8, 11275285), (10, 9020228), (14, 6443020), (20, 4510114), (28, 3221510), (35, 2577208), (40, 2255057), (56, 1610755), (70, 1288604), (140, 644302), (277, 325640), (280, 322151), (554, 162820), (1108, 81410), (1163, 77560), (1385, 65128), (1939, 46520), (2216, 40705), (2326, 38780), (2770, 32564), (3878, 23260), (4652, 19390), (5540, 16282), (5815, 15512), (7756, 11630), (8141, 11080), (9304, 9695)]