208528600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{148949}}^1$

素因数の和:148972

約数の個数: 48

約数和(自身を含む): 554094000

約数和(自身を除く): 345565400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 148949, 297898, 595796, 744745, 1042643, 1191592, 1489490, 2085286, 2978980, 3723725, 4170572, 5213215, 5957960, 7447450, 8341144, 10426430, 14894900, 20852860, 26066075, 29789800, 41705720, 52132150, 104264300, 208528600]

約数ペア:

[(1, 208528600), (2, 104264300), (4, 52132150), (5, 41705720), (7, 29789800), (8, 26066075), (10, 20852860), (14, 14894900), (20, 10426430), (25, 8341144), (28, 7447450), (35, 5957960), (40, 5213215), (50, 4170572), (56, 3723725), (70, 2978980), (100, 2085286), (140, 1489490), (175, 1191592), (200, 1042643), (280, 744745), (350, 595796), (700, 297898), (1400, 148949)]