220199600

素因数分解:

$2^4\times 5^2\times {\mathrm{211}}^1\times {\mathrm{2609}}^1$

素因数の和:2838

約数の個数: 60

約数和(自身を含む): 531740520

約数和(自身を除く): 311540920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 211, 400, 422, 844, 1055, 1688, 2110, 2609, 3376, 4220, 5218, 5275, 8440, 10436, 10550, 13045, 16880, 20872, 21100, 26090, 41744, 42200, 52180, 65225, 84400, 104360, 130450, 208720, 260900, 521800, 550499, 1043600, 1100998, 2201996, 2752495, 4403992, 5504990, 8807984, 11009980, 13762475, 22019960, 27524950, 44039920, 55049900, 110099800, 220199600]

約数ペア:

[(1, 220199600), (2, 110099800), (4, 55049900), (5, 44039920), (8, 27524950), (10, 22019960), (16, 13762475), (20, 11009980), (25, 8807984), (40, 5504990), (50, 4403992), (80, 2752495), (100, 2201996), (200, 1100998), (211, 1043600), (400, 550499), (422, 521800), (844, 260900), (1055, 208720), (1688, 130450), (2110, 104360), (2609, 84400), (3376, 65225), (4220, 52180), (5218, 42200), (5275, 41744), (8440, 26090), (10436, 21100), (10550, 20872), (13045, 16880)]