290420450

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 550946880

約数和(自身を除く): 260526430

約数列:

[1, 2, 5, 10, 25, 50, 101, 131, 202, 262, 439, 505, 655, 878, 1010, 1310, 2195, 2525, 3275, 4390, 5050, 6550, 10975, 13231, 21950, 26462, 44339, 57509, 66155, 88678, 115018, 132310, 221695, 287545, 330775, 443390, 575090, 661550, 1108475, 1437725, 2216950, 2875450, 5808409, 11616818, 29042045, 58084090, 145210225, 290420450]

約数ペア:

[(1, 290420450), (2, 145210225), (5, 58084090), (10, 29042045), (25, 11616818), (50, 5808409), (101, 2875450), (131, 2216950), (202, 1437725), (262, 1108475), (439, 661550), (505, 575090), (655, 443390), (878, 330775), (1010, 287545), (1310, 221695), (2195, 132310), (2525, 115018), (3275, 88678), (4390, 66155), (5050, 57509), (6550, 44339), (10975, 26462), (13231, 21950)]