420206836

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{829}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 863040640

約数和(自身を除く): 442833804

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 421, 602, 829, 842, 1204, 1658, 1684, 2947, 3316, 5803, 5894, 11606, 11788, 18103, 23212, 35647, 36206, 71294, 72412, 126721, 142588, 249529, 253442, 349009, 499058, 506884, 698018, 998116, 1396036, 2443063, 4886126, 9772252, 15007387, 30014774, 60029548, 105051709, 210103418, 420206836]

約数ペア:

[(1, 420206836), (2, 210103418), (4, 105051709), (7, 60029548), (14, 30014774), (28, 15007387), (43, 9772252), (86, 4886126), (172, 2443063), (301, 1396036), (421, 998116), (602, 698018), (829, 506884), (842, 499058), (1204, 349009), (1658, 253442), (1684, 249529), (2947, 142588), (3316, 126721), (5803, 72412), (5894, 71294), (11606, 36206), (11788, 35647), (18103, 23212)]