387676520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:879

約数の個数: 128

約数和(自身を含む): 1094860800

約数和(自身を除く): 707184280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 191, 220, 280, 308, 382, 385, 440, 616, 659, 764, 770, 955, 1318, 1337, 1528, 1540, 1910, 2101, 2636, 2674, 3080, 3295, 3820, 4202, 4613, 5272, 5348, 6590, 6685, 7249, 7640, 8404, 9226, 10505, 10696, 13180, 13370, 14498, 14707, 16808, 18452, 21010, 23065, 26360, 26740, 28996, 29414, 36245, 36904, 42020, 46130, 50743, 53480, 57992, 58828, 72490, 73535, 84040, 92260, 101486, 117656, 125869, 144980, 147070, 184520, 202972, 251738, 253715, 289960, 294140, 405944, 503476, 507430, 588280, 629345, 881083, 1006952, 1014860, 1258690, 1384559, 1762166, 2029720, 2517380, 2769118, 3524332, 4405415, 5034760, 5538236, 6922795, 7048664, 8810830, 9691913, 11076472, 13845590, 17621660, 19383826, 27691180, 35243320, 38767652, 48459565, 55382360, 77535304, 96919130, 193838260, 387676520]

約数ペア:

[(1, 387676520), (2, 193838260), (4, 96919130), (5, 77535304), (7, 55382360), (8, 48459565), (10, 38767652), (11, 35243320), (14, 27691180), (20, 19383826), (22, 17621660), (28, 13845590), (35, 11076472), (40, 9691913), (44, 8810830), (55, 7048664), (56, 6922795), (70, 5538236), (77, 5034760), (88, 4405415), (110, 3524332), (140, 2769118), (154, 2517380), (191, 2029720), (220, 1762166), (280, 1384559), (308, 1258690), (382, 1014860), (385, 1006952), (440, 881083), (616, 629345), (659, 588280), (764, 507430), (770, 503476), (955, 405944), (1318, 294140), (1337, 289960), (1528, 253715), (1540, 251738), (1910, 202972), (2101, 184520), (2636, 147070), (2674, 144980), (3080, 125869), (3295, 117656), (3820, 101486), (4202, 92260), (4613, 84040), (5272, 73535), (5348, 72490), (6590, 58828), (6685, 57992), (7249, 53480), (7640, 50743), (8404, 46130), (9226, 42020), (10505, 36904), (10696, 36245), (13180, 29414), (13370, 28996), (14498, 26740), (14707, 26360), (16808, 23065), (18452, 21010)]