211222500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{28163}}^1$

素因数の和:28190

約数の個数: 60

約数和(自身を含む): 615890352

約数和(自身を除く): 404667852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 3750, 7500, 28163, 56326, 84489, 112652, 140815, 168978, 281630, 337956, 422445, 563260, 704075, 844890, 1408150, 1689780, 2112225, 2816300, 3520375, 4224450, 7040750, 8448900, 10561125, 14081500, 17601875, 21122250, 35203750, 42244500, 52805625, 70407500, 105611250, 211222500]

約数ペア:

[(1, 211222500), (2, 105611250), (3, 70407500), (4, 52805625), (5, 42244500), (6, 35203750), (10, 21122250), (12, 17601875), (15, 14081500), (20, 10561125), (25, 8448900), (30, 7040750), (50, 4224450), (60, 3520375), (75, 2816300), (100, 2112225), (125, 1689780), (150, 1408150), (250, 844890), (300, 704075), (375, 563260), (500, 422445), (625, 337956), (750, 281630), (1250, 168978), (1500, 140815), (1875, 112652), (2500, 84489), (3750, 56326), (7500, 28163)]