289028320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{258061}}^1$

素因数の和:258083

約数の個数: 48

約数和(自身を含む): 780379488

約数和(自身を除く): 491351168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 258061, 516122, 1032244, 1290305, 1806427, 2064488, 2580610, 3612854, 4128976, 5161220, 7225708, 8257952, 9032135, 10322440, 14451416, 18064270, 20644880, 28902832, 36128540, 41289760, 57805664, 72257080, 144514160, 289028320]

約数ペア:

[(1, 289028320), (2, 144514160), (4, 72257080), (5, 57805664), (7, 41289760), (8, 36128540), (10, 28902832), (14, 20644880), (16, 18064270), (20, 14451416), (28, 10322440), (32, 9032135), (35, 8257952), (40, 7225708), (56, 5161220), (70, 4128976), (80, 3612854), (112, 2580610), (140, 2064488), (160, 1806427), (224, 1290305), (280, 1032244), (560, 516122), (1120, 258061)]