209315970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1123}}^1$

素因数の和:1264

約数の個数: 96

約数和(自身を含む): 578635200

約数和(自身を除く): 369319230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 109, 114, 171, 190, 218, 285, 327, 342, 545, 570, 654, 855, 981, 1090, 1123, 1635, 1710, 1962, 2071, 2246, 3270, 3369, 4142, 4905, 5615, 6213, 6738, 9810, 10107, 10355, 11230, 12426, 16845, 18639, 20214, 20710, 21337, 31065, 33690, 37278, 42674, 50535, 62130, 64011, 93195, 101070, 106685, 122407, 128022, 186390, 192033, 213370, 244814, 320055, 367221, 384066, 612035, 640110, 734442, 960165, 1101663, 1224070, 1836105, 1920330, 2203326, 2325733, 3672210, 4651466, 5508315, 6977199, 11016630, 11628665, 13954398, 20931597, 23257330, 34885995, 41863194, 69771990, 104657985, 209315970]

約数ペア:

[(1, 209315970), (2, 104657985), (3, 69771990), (5, 41863194), (6, 34885995), (9, 23257330), (10, 20931597), (15, 13954398), (18, 11628665), (19, 11016630), (30, 6977199), (38, 5508315), (45, 4651466), (57, 3672210), (90, 2325733), (95, 2203326), (109, 1920330), (114, 1836105), (171, 1224070), (190, 1101663), (218, 960165), (285, 734442), (327, 640110), (342, 612035), (545, 384066), (570, 367221), (654, 320055), (855, 244814), (981, 213370), (1090, 192033), (1123, 186390), (1635, 128022), (1710, 122407), (1962, 106685), (2071, 101070), (2246, 93195), (3270, 64011), (3369, 62130), (4142, 50535), (4905, 42674), (5615, 37278), (6213, 33690), (6738, 31065), (9810, 21337), (10107, 20710), (10355, 20214), (11230, 18639), (12426, 16845)]