203422990

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 370380960

約数和(自身を除く): 166957970

約数列:

[1, 2, 5, 10, 211, 229, 421, 422, 458, 842, 1055, 1145, 2105, 2110, 2290, 4210, 48319, 88831, 96409, 96638, 177662, 192818, 241595, 444155, 482045, 483190, 888310, 964090, 20342299, 40684598, 101711495, 203422990]

約数ペア:

[(1, 203422990), (2, 101711495), (5, 40684598), (10, 20342299), (211, 964090), (229, 888310), (421, 483190), (422, 482045), (458, 444155), (842, 241595), (1055, 192818), (1145, 177662), (2105, 96638), (2110, 96409), (2290, 88831), (4210, 48319)]