978320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1747}}^1$

素因数の和:1767

約数の個数: 40

約数和(自身を含む): 2601024

約数和(自身を除く): 1622704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1747, 3494, 6988, 8735, 12229, 13976, 17470, 24458, 27952, 34940, 48916, 61145, 69880, 97832, 122290, 139760, 195664, 244580, 489160, 978320]

約数ペア:

[(1, 978320), (2, 489160), (4, 244580), (5, 195664), (7, 139760), (8, 122290), (10, 97832), (14, 69880), (16, 61145), (20, 48916), (28, 34940), (35, 27952), (40, 24458), (56, 17470), (70, 13976), (80, 12229), (112, 8735), (140, 6988), (280, 3494), (560, 1747)]