87758860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15289}}^1$

素因数の和:15346

約数の個数: 48

約数和(自身を含む): 215772480

約数和(自身を除く): 128013620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 15289, 30578, 61156, 76445, 107023, 152890, 214046, 305780, 428092, 535115, 626849, 1070230, 1253698, 2140460, 2507396, 3134245, 4387943, 6268490, 8775886, 12536980, 17551772, 21939715, 43879430, 87758860]

約数ペア:

[(1, 87758860), (2, 43879430), (4, 21939715), (5, 17551772), (7, 12536980), (10, 8775886), (14, 6268490), (20, 4387943), (28, 3134245), (35, 2507396), (41, 2140460), (70, 1253698), (82, 1070230), (140, 626849), (164, 535115), (205, 428092), (287, 305780), (410, 214046), (574, 152890), (820, 107023), (1148, 76445), (1435, 61156), (2870, 30578), (5740, 15289)]