28478550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{373}}^1\times {\mathrm{509}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 70955280

約数和(自身を除く): 42476730

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 373, 509, 746, 1018, 1119, 1527, 1865, 2238, 2545, 3054, 3730, 5090, 5595, 7635, 9325, 11190, 12725, 15270, 18650, 25450, 27975, 38175, 55950, 76350, 189857, 379714, 569571, 949285, 1139142, 1898570, 2847855, 4746425, 5695710, 9492850, 14239275, 28478550]

約数ペア:

[(1, 28478550), (2, 14239275), (3, 9492850), (5, 5695710), (6, 4746425), (10, 2847855), (15, 1898570), (25, 1139142), (30, 949285), (50, 569571), (75, 379714), (150, 189857), (373, 76350), (509, 55950), (746, 38175), (1018, 27975), (1119, 25450), (1527, 18650), (1865, 15270), (2238, 12725), (2545, 11190), (3054, 9325), (3730, 7635), (5090, 5595)]