6945565540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{278491}}^1$

素因数の和:278572

約数の個数: 48

約数和(自身を含む): 15439596480

約数和(自身を除く): 8494030940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 2494, 4988, 6235, 12470, 24940, 278491, 556982, 1113964, 1392455, 2784910, 5569820, 8076239, 11975113, 16152478, 23950226, 32304956, 40381195, 47900452, 59875565, 80762390, 119751130, 161524780, 239502260, 347278277, 694556554, 1389113108, 1736391385, 3472782770, 6945565540]

約数ペア:

[(1, 6945565540), (2, 3472782770), (4, 1736391385), (5, 1389113108), (10, 694556554), (20, 347278277), (29, 239502260), (43, 161524780), (58, 119751130), (86, 80762390), (116, 59875565), (145, 47900452), (172, 40381195), (215, 32304956), (290, 23950226), (430, 16152478), (580, 11975113), (860, 8076239), (1247, 5569820), (2494, 2784910), (4988, 1392455), (6235, 1113964), (12470, 556982), (24940, 278491)]