86309720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{308249}}^1$

素因数の和:308267

約数の個数: 32

約数和(自身を含む): 221940000

約数和(自身を除く): 135630280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 308249, 616498, 1232996, 1541245, 2157743, 2465992, 3082490, 4315486, 6164980, 8630972, 10788715, 12329960, 17261944, 21577430, 43154860, 86309720]

約数ペア:

[(1, 86309720), (2, 43154860), (4, 21577430), (5, 17261944), (7, 12329960), (8, 10788715), (10, 8630972), (14, 6164980), (20, 4315486), (28, 3082490), (35, 2465992), (40, 2157743), (56, 1541245), (70, 1232996), (140, 616498), (280, 308249)]