277003980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139901}}^1$

素因数の和:139927

約数の個数: 72

約数和(自身を含む): 916637904

約数和(自身を除く): 639633924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 139901, 279802, 419703, 559604, 699505, 839406, 1259109, 1399010, 1538911, 1678812, 2098515, 2518218, 2798020, 3077822, 4197030, 4616733, 5036436, 6155644, 6295545, 7694555, 8394060, 9233466, 12591090, 13850199, 15389110, 18466932, 23083665, 25182180, 27700398, 30778220, 46167330, 55400796, 69250995, 92334660, 138501990, 277003980]

約数ペア:

[(1, 277003980), (2, 138501990), (3, 92334660), (4, 69250995), (5, 55400796), (6, 46167330), (9, 30778220), (10, 27700398), (11, 25182180), (12, 23083665), (15, 18466932), (18, 15389110), (20, 13850199), (22, 12591090), (30, 9233466), (33, 8394060), (36, 7694555), (44, 6295545), (45, 6155644), (55, 5036436), (60, 4616733), (66, 4197030), (90, 3077822), (99, 2798020), (110, 2518218), (132, 2098515), (165, 1678812), (180, 1538911), (198, 1399010), (220, 1259109), (330, 839406), (396, 699505), (495, 559604), (660, 419703), (990, 279802), (1980, 139901)]