238287660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{305497}}^1$

素因数の和:305522

約数の個数: 48

約数和(自身を含む): 718531296

約数和(自身を除く): 480243636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 305497, 610994, 916491, 1221988, 1527485, 1832982, 3054970, 3665964, 3971461, 4582455, 6109940, 7942922, 9164910, 11914383, 15885844, 18329820, 19857305, 23828766, 39714610, 47657532, 59571915, 79429220, 119143830, 238287660]

約数ペア:

[(1, 238287660), (2, 119143830), (3, 79429220), (4, 59571915), (5, 47657532), (6, 39714610), (10, 23828766), (12, 19857305), (13, 18329820), (15, 15885844), (20, 11914383), (26, 9164910), (30, 7942922), (39, 6109940), (52, 4582455), (60, 3971461), (65, 3665964), (78, 3054970), (130, 1832982), (156, 1527485), (195, 1221988), (260, 916491), (390, 610994), (780, 305497)]