1279753370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:384

約数の個数: 128

約数和(自身を含む): 2882221056

約数和(自身を除く): 1602467686

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 53, 70, 85, 103, 106, 119, 170, 197, 206, 238, 265, 371, 394, 515, 530, 595, 721, 742, 901, 985, 1030, 1190, 1379, 1442, 1751, 1802, 1855, 1970, 2758, 3349, 3502, 3605, 3710, 4505, 5459, 6307, 6698, 6895, 7210, 8755, 9010, 10441, 10918, 12257, 12614, 13790, 16745, 17510, 20291, 20882, 23443, 24514, 27295, 31535, 33490, 38213, 40582, 46886, 52205, 54590, 61285, 63070, 73087, 76426, 92803, 101455, 104410, 117215, 122570, 142037, 146174, 177497, 185606, 191065, 202910, 234430, 284074, 344947, 354994, 365435, 382130, 464015, 649621, 689894, 710185, 730870, 887485, 928030, 1075423, 1242479, 1299242, 1420370, 1724735, 1774970, 2150846, 2414629, 2484958, 3248105, 3449470, 4829258, 5377115, 6212395, 6496210, 7527961, 10754230, 12073145, 12424790, 15055922, 18282191, 24146290, 36564382, 37639805, 75279610, 91410955, 127975337, 182821910, 255950674, 639876685, 1279753370]

約数ペア:

[(1, 1279753370), (2, 639876685), (5, 255950674), (7, 182821910), (10, 127975337), (14, 91410955), (17, 75279610), (34, 37639805), (35, 36564382), (53, 24146290), (70, 18282191), (85, 15055922), (103, 12424790), (106, 12073145), (119, 10754230), (170, 7527961), (197, 6496210), (206, 6212395), (238, 5377115), (265, 4829258), (371, 3449470), (394, 3248105), (515, 2484958), (530, 2414629), (595, 2150846), (721, 1774970), (742, 1724735), (901, 1420370), (985, 1299242), (1030, 1242479), (1190, 1075423), (1379, 928030), (1442, 887485), (1751, 730870), (1802, 710185), (1855, 689894), (1970, 649621), (2758, 464015), (3349, 382130), (3502, 365435), (3605, 354994), (3710, 344947), (4505, 284074), (5459, 234430), (6307, 202910), (6698, 191065), (6895, 185606), (7210, 177497), (8755, 146174), (9010, 142037), (10441, 122570), (10918, 117215), (12257, 104410), (12614, 101455), (13790, 92803), (16745, 76426), (17510, 73087), (20291, 63070), (20882, 61285), (23443, 54590), (24514, 52205), (27295, 46886), (31535, 40582), (33490, 38213)]