128441950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28229}}^1$

素因数の和:28261

約数の個数: 48

約数和(自身を含む): 294043680

約数和(自身を除く): 165601730

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 28229, 56458, 141145, 197603, 282290, 366977, 395206, 705725, 733954, 988015, 1411450, 1834885, 1976030, 2568839, 3669770, 4940075, 5137678, 9174425, 9880150, 12844195, 18348850, 25688390, 64220975, 128441950]

約数ペア:

[(1, 128441950), (2, 64220975), (5, 25688390), (7, 18348850), (10, 12844195), (13, 9880150), (14, 9174425), (25, 5137678), (26, 4940075), (35, 3669770), (50, 2568839), (65, 1976030), (70, 1834885), (91, 1411450), (130, 988015), (175, 733954), (182, 705725), (325, 395206), (350, 366977), (455, 282290), (650, 197603), (910, 141145), (2275, 56458), (4550, 28229)]