642900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{2143}}^1$

素因数の和:2160

約数の個数: 36

約数和(自身を含む): 1860992

約数和(自身を除く): 1218092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 2143, 4286, 6429, 8572, 10715, 12858, 21430, 25716, 32145, 42860, 53575, 64290, 107150, 128580, 160725, 214300, 321450, 642900]

約数ペア:

[(1, 642900), (2, 321450), (3, 214300), (4, 160725), (5, 128580), (6, 107150), (10, 64290), (12, 53575), (15, 42860), (20, 32145), (25, 25716), (30, 21430), (50, 12858), (60, 10715), (75, 8572), (100, 6429), (150, 4286), (300, 2143)]