818440070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2141}}^1$

素因数の和:2325

約数の個数: 64

約数和(自身を含む): 1737179136

約数和(自身を除く): 918739066

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 127, 215, 254, 301, 430, 602, 635, 889, 1270, 1505, 1778, 2141, 3010, 4282, 4445, 5461, 8890, 10705, 10922, 14987, 21410, 27305, 29974, 38227, 54610, 74935, 76454, 92063, 149870, 184126, 191135, 271907, 382270, 460315, 543814, 644441, 920630, 1288882, 1359535, 1903349, 2719070, 3222205, 3806698, 6444410, 9516745, 11692001, 19033490, 23384002, 58460005, 81844007, 116920010, 163688014, 409220035, 818440070]

約数ペア:

[(1, 818440070), (2, 409220035), (5, 163688014), (7, 116920010), (10, 81844007), (14, 58460005), (35, 23384002), (43, 19033490), (70, 11692001), (86, 9516745), (127, 6444410), (215, 3806698), (254, 3222205), (301, 2719070), (430, 1903349), (602, 1359535), (635, 1288882), (889, 920630), (1270, 644441), (1505, 543814), (1778, 460315), (2141, 382270), (3010, 271907), (4282, 191135), (4445, 184126), (5461, 149870), (8890, 92063), (10705, 76454), (10922, 74935), (14987, 54610), (21410, 38227), (27305, 29974)]