489160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1747}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 1258560

約数和(自身を除く): 769400

約数列:

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

約数ペア:

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