27654760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{349}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 71568000

約数和(自身を除く): 43913240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 349, 566, 698, 1132, 1396, 1415, 1745, 1981, 2264, 2443, 2792, 2830, 3490, 3962, 4886, 5660, 6980, 7924, 9772, 9905, 11320, 12215, 13960, 15848, 19544, 19810, 24430, 39620, 48860, 79240, 97720, 98767, 197534, 395068, 493835, 691369, 790136, 987670, 1382738, 1975340, 2765476, 3456845, 3950680, 5530952, 6913690, 13827380, 27654760]

約数ペア:

[(1, 27654760), (2, 13827380), (4, 6913690), (5, 5530952), (7, 3950680), (8, 3456845), (10, 2765476), (14, 1975340), (20, 1382738), (28, 987670), (35, 790136), (40, 691369), (56, 493835), (70, 395068), (140, 197534), (280, 98767), (283, 97720), (349, 79240), (566, 48860), (698, 39620), (1132, 24430), (1396, 19810), (1415, 19544), (1745, 15848), (1981, 13960), (2264, 12215), (2443, 11320), (2792, 9905), (2830, 9772), (3490, 7924), (3962, 6980), (4886, 5660)]