78469940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{701}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 171596880

約数和(自身を除く): 93126940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 193, 290, 386, 580, 701, 772, 965, 1402, 1930, 2804, 3505, 3860, 5597, 7010, 11194, 14020, 20329, 22388, 27985, 40658, 55970, 81316, 101645, 111940, 135293, 203290, 270586, 406580, 541172, 676465, 1352930, 2705860, 3923497, 7846994, 15693988, 19617485, 39234970, 78469940]

約数ペア:

[(1, 78469940), (2, 39234970), (4, 19617485), (5, 15693988), (10, 7846994), (20, 3923497), (29, 2705860), (58, 1352930), (116, 676465), (145, 541172), (193, 406580), (290, 270586), (386, 203290), (580, 135293), (701, 111940), (772, 101645), (965, 81316), (1402, 55970), (1930, 40658), (2804, 27985), (3505, 22388), (3860, 20329), (5597, 14020), (7010, 11194)]