209817660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{268997}}^1$

素因数の和:269022

約数の個数: 48

約数和(自身を含む): 632683296

約数和(自身を除く): 422865636

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, 268997, 537994, 806991, 1075988, 1344985, 1613982, 2689970, 3227964, 3496961, 4034955, 5379940, 6993922, 8069910, 10490883, 13987844, 16139820, 17484805, 20981766, 34969610, 41963532, 52454415, 69939220, 104908830, 209817660]

約数ペア:

[(1, 209817660), (2, 104908830), (3, 69939220), (4, 52454415), (5, 41963532), (6, 34969610), (10, 20981766), (12, 17484805), (13, 16139820), (15, 13987844), (20, 10490883), (26, 8069910), (30, 6993922), (39, 5379940), (52, 4034955), (60, 3496961), (65, 3227964), (78, 2689970), (130, 1613982), (156, 1344985), (195, 1075988), (260, 806991), (390, 537994), (780, 268997)]