1279189940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{54713}}^1$

素因数の和:54896

約数の個数: 48

約数和(自身を含む): 3088495872

約数和(自身を除く): 1809305932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1670, 2338, 3340, 4676, 5845, 11690, 23380, 54713, 109426, 218852, 273565, 382991, 547130, 765982, 1094260, 1531964, 1914955, 3829910, 7659820, 9137071, 18274142, 36548284, 45685355, 63959497, 91370710, 127918994, 182741420, 255837988, 319797485, 639594970, 1279189940]

約数ペア:

[(1, 1279189940), (2, 639594970), (4, 319797485), (5, 255837988), (7, 182741420), (10, 127918994), (14, 91370710), (20, 63959497), (28, 45685355), (35, 36548284), (70, 18274142), (140, 9137071), (167, 7659820), (334, 3829910), (668, 1914955), (835, 1531964), (1169, 1094260), (1670, 765982), (2338, 547130), (3340, 382991), (4676, 273565), (5845, 218852), (11690, 109426), (23380, 54713)]