405490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:114

約数の個数: 32

約数和(自身を含む): 798336

約数和(自身を除く): 392846

約数列:

[1, 2, 5, 10, 23, 41, 43, 46, 82, 86, 115, 205, 215, 230, 410, 430, 943, 989, 1763, 1886, 1978, 3526, 4715, 4945, 8815, 9430, 9890, 17630, 40549, 81098, 202745, 405490]

約数ペア:

[(1, 405490), (2, 202745), (5, 81098), (10, 40549), (23, 17630), (41, 9890), (43, 9430), (46, 8815), (82, 4945), (86, 4715), (115, 3526), (205, 1978), (215, 1886), (230, 1763), (410, 989), (430, 943)]