1305940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 3048192

約数和(自身を除く): 1742252

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 167, 170, 230, 334, 340, 391, 460, 668, 782, 835, 1564, 1670, 1955, 2839, 3340, 3841, 3910, 5678, 7682, 7820, 11356, 14195, 15364, 19205, 28390, 38410, 56780, 65297, 76820, 130594, 261188, 326485, 652970, 1305940]

約数ペア:

[(1, 1305940), (2, 652970), (4, 326485), (5, 261188), (10, 130594), (17, 76820), (20, 65297), (23, 56780), (34, 38410), (46, 28390), (68, 19205), (85, 15364), (92, 14195), (115, 11356), (167, 7820), (170, 7682), (230, 5678), (334, 3910), (340, 3841), (391, 3340), (460, 2839), (668, 1955), (782, 1670), (835, 1564)]