12899740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13163}}^1$

素因数の和:13186

約数の個数: 36

約数和(自身を含む): 31514616

約数和(自身を除く): 18614876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 13163, 26326, 52652, 65815, 92141, 131630, 184282, 263260, 368564, 460705, 644987, 921410, 1289974, 1842820, 2579948, 3224935, 6449870, 12899740]

約数ペア:

[(1, 12899740), (2, 6449870), (4, 3224935), (5, 2579948), (7, 1842820), (10, 1289974), (14, 921410), (20, 644987), (28, 460705), (35, 368564), (49, 263260), (70, 184282), (98, 131630), (140, 92141), (196, 65815), (245, 52652), (490, 26326), (980, 13163)]