221488620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{160499}}^1$

素因数の和:160534

約数の個数: 48

約数和(自身を含む): 647136000

約数和(自身を除く): 425647380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 160499, 320998, 481497, 641996, 802495, 962994, 1604990, 1925988, 2407485, 3209980, 3691477, 4814970, 7382954, 9629940, 11074431, 14765908, 18457385, 22148862, 36914770, 44297724, 55372155, 73829540, 110744310, 221488620]

約数ペア:

[(1, 221488620), (2, 110744310), (3, 73829540), (4, 55372155), (5, 44297724), (6, 36914770), (10, 22148862), (12, 18457385), (15, 14765908), (20, 11074431), (23, 9629940), (30, 7382954), (46, 4814970), (60, 3691477), (69, 3209980), (92, 2407485), (115, 1925988), (138, 1604990), (230, 962994), (276, 802495), (345, 641996), (460, 481497), (690, 320998), (1380, 160499)]