258403390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{160499}}^1$

素因数の和:160536

約数の個数: 32

約数和(自身を含む): 554688000

約数和(自身を除く): 296284610

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 160499, 320998, 802495, 1123493, 1604990, 2246986, 3691477, 5617465, 7382954, 11234930, 18457385, 25840339, 36914770, 51680678, 129201695, 258403390]

約数ペア:

[(1, 258403390), (2, 129201695), (5, 51680678), (7, 36914770), (10, 25840339), (14, 18457385), (23, 11234930), (35, 7382954), (46, 5617465), (70, 3691477), (115, 2246986), (161, 1604990), (230, 1123493), (322, 802495), (805, 320998), (1610, 160499)]