489067904

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:576

約数の個数: 128

約数和(自身を含む): 1142400000

約数和(自身を除く): 653332096

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 64, 76, 104, 124, 128, 152, 208, 247, 248, 304, 403, 416, 494, 496, 499, 589, 608, 806, 832, 988, 992, 998, 1178, 1216, 1612, 1664, 1976, 1984, 1996, 2356, 2432, 3224, 3952, 3968, 3992, 4712, 6448, 6487, 7657, 7904, 7984, 9424, 9481, 12896, 12974, 15314, 15469, 15808, 15968, 18848, 18962, 25792, 25948, 30628, 30938, 31616, 31936, 37696, 37924, 51584, 51896, 61256, 61876, 63872, 75392, 75848, 103792, 122512, 123253, 123752, 151696, 201097, 207584, 245024, 246506, 247504, 293911, 303392, 402194, 415168, 490048, 493012, 495008, 587822, 606784, 804388, 830336, 980096, 986024, 990016, 1175644, 1213568, 1608776, 1972048, 1980032, 2351288, 3217552, 3820843, 3944096, 4702576, 6435104, 7641686, 7888192, 9405152, 12870208, 15283372, 15776384, 18810304, 25740416, 30566744, 37620608, 61133488, 122266976, 244533952, 489067904]

約数ペア:

[(1, 489067904), (2, 244533952), (4, 122266976), (8, 61133488), (13, 37620608), (16, 30566744), (19, 25740416), (26, 18810304), (31, 15776384), (32, 15283372), (38, 12870208), (52, 9405152), (62, 7888192), (64, 7641686), (76, 6435104), (104, 4702576), (124, 3944096), (128, 3820843), (152, 3217552), (208, 2351288), (247, 1980032), (248, 1972048), (304, 1608776), (403, 1213568), (416, 1175644), (494, 990016), (496, 986024), (499, 980096), (589, 830336), (608, 804388), (806, 606784), (832, 587822), (988, 495008), (992, 493012), (998, 490048), (1178, 415168), (1216, 402194), (1612, 303392), (1664, 293911), (1976, 247504), (1984, 246506), (1996, 245024), (2356, 207584), (2432, 201097), (3224, 151696), (3952, 123752), (3968, 123253), (3992, 122512), (4712, 103792), (6448, 75848), (6487, 75392), (7657, 63872), (7904, 61876), (7984, 61256), (9424, 51896), (9481, 51584), (12896, 37924), (12974, 37696), (15314, 31936), (15469, 31616), (15808, 30938), (15968, 30628), (18848, 25948), (18962, 25792)]