291215008

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 677376000

約数和(自身を除く): 386160992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 94, 112, 139, 188, 199, 224, 278, 329, 376, 398, 556, 658, 752, 796, 973, 1112, 1316, 1393, 1504, 1592, 1946, 2224, 2632, 2786, 3184, 3892, 4448, 5264, 5572, 6368, 6533, 7784, 9353, 10528, 11144, 13066, 15568, 18706, 22288, 26132, 27661, 31136, 37412, 44576, 45731, 52264, 55322, 65471, 74824, 91462, 104528, 110644, 130942, 149648, 182924, 193627, 209056, 221288, 261884, 299296, 365848, 387254, 442576, 523768, 731696, 774508, 885152, 1047536, 1300067, 1463392, 1549016, 2095072, 2600134, 3098032, 5200268, 6196064, 9100469, 10400536, 18200938, 20801072, 36401876, 41602144, 72803752, 145607504, 291215008]

約数ペア:

[(1, 291215008), (2, 145607504), (4, 72803752), (7, 41602144), (8, 36401876), (14, 20801072), (16, 18200938), (28, 10400536), (32, 9100469), (47, 6196064), (56, 5200268), (94, 3098032), (112, 2600134), (139, 2095072), (188, 1549016), (199, 1463392), (224, 1300067), (278, 1047536), (329, 885152), (376, 774508), (398, 731696), (556, 523768), (658, 442576), (752, 387254), (796, 365848), (973, 299296), (1112, 261884), (1316, 221288), (1393, 209056), (1504, 193627), (1592, 182924), (1946, 149648), (2224, 130942), (2632, 110644), (2786, 104528), (3184, 91462), (3892, 74824), (4448, 65471), (5264, 55322), (5572, 52264), (6368, 45731), (6533, 44576), (7784, 37412), (9353, 31136), (10528, 27661), (11144, 26132), (13066, 22288), (15568, 18706)]