399399790

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{2593}}^1$

素因数の和:2884

約数の個数: 32

約数和(自身を含む): 732504096

約数和(自身を除く): 333104306

約数列:

[1, 2, 5, 10, 73, 146, 211, 365, 422, 730, 1055, 2110, 2593, 5186, 12965, 15403, 25930, 30806, 77015, 154030, 189289, 378578, 547123, 946445, 1094246, 1892890, 2735615, 5471230, 39939979, 79879958, 199699895, 399399790]

約数ペア:

[(1, 399399790), (2, 199699895), (5, 79879958), (10, 39939979), (73, 5471230), (146, 2735615), (211, 1892890), (365, 1094246), (422, 946445), (730, 547123), (1055, 378578), (2110, 189289), (2593, 154030), (5186, 77015), (12965, 30806), (15403, 25930)]