1139740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1163}}^1$

素因数の和:1186

約数の個数: 36

約数和(自身を含む): 2786616

約数和(自身を除く): 1646876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1163, 2326, 4652, 5815, 8141, 11630, 16282, 23260, 32564, 40705, 56987, 81410, 113974, 162820, 227948, 284935, 569870, 1139740]

約数ペア:

[(1, 1139740), (2, 569870), (4, 284935), (5, 227948), (7, 162820), (10, 113974), (14, 81410), (20, 56987), (28, 40705), (35, 32564), (49, 23260), (70, 16282), (98, 11630), (140, 8141), (196, 5815), (245, 4652), (490, 2326), (980, 1163)]