30219440

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{757}}^1$

素因数の和:1269

約数の個数: 40

約数和(自身を含む): 70494000

約数和(自身を除く): 40274560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 757, 998, 1514, 1996, 2495, 3028, 3785, 3992, 4990, 6056, 7570, 7984, 9980, 12112, 15140, 19960, 30280, 39920, 60560, 377743, 755486, 1510972, 1888715, 3021944, 3777430, 6043888, 7554860, 15109720, 30219440]

約数ペア:

[(1, 30219440), (2, 15109720), (4, 7554860), (5, 6043888), (8, 3777430), (10, 3021944), (16, 1888715), (20, 1510972), (40, 755486), (80, 377743), (499, 60560), (757, 39920), (998, 30280), (1514, 19960), (1996, 15140), (2495, 12112), (3028, 9980), (3785, 7984), (3992, 7570), (4990, 6056)]