22719950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 46671120

約数和(自身を除く): 23951170

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 101, 110, 202, 275, 409, 505, 550, 818, 1010, 1111, 2045, 2222, 2525, 4090, 4499, 5050, 5555, 8998, 10225, 11110, 20450, 22495, 27775, 41309, 44990, 55550, 82618, 112475, 206545, 224950, 413090, 454399, 908798, 1032725, 2065450, 2271995, 4543990, 11359975, 22719950]

約数ペア:

[(1, 22719950), (2, 11359975), (5, 4543990), (10, 2271995), (11, 2065450), (22, 1032725), (25, 908798), (50, 454399), (55, 413090), (101, 224950), (110, 206545), (202, 112475), (275, 82618), (409, 55550), (505, 44990), (550, 41309), (818, 27775), (1010, 22495), (1111, 20450), (2045, 11110), (2222, 10225), (2525, 8998), (4090, 5555), (4499, 5050)]