388552640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2062

約数の個数: 112

約数和(自身を含む): 1069848000

約数和(自身を除く): 681295360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 140, 160, 178, 224, 280, 320, 356, 445, 448, 560, 623, 712, 890, 1120, 1246, 1424, 1780, 1949, 2240, 2492, 2848, 3115, 3560, 3898, 4984, 5696, 6230, 7120, 7796, 9745, 9968, 12460, 13643, 14240, 15592, 19490, 19936, 24920, 27286, 28480, 31184, 38980, 39872, 49840, 54572, 62368, 68215, 77960, 99680, 109144, 124736, 136430, 155920, 173461, 199360, 218288, 272860, 311840, 346922, 436576, 545720, 623680, 693844, 867305, 873152, 1091440, 1214227, 1387688, 1734610, 2182880, 2428454, 2775376, 3469220, 4365760, 4856908, 5550752, 6071135, 6938440, 9713816, 11101504, 12142270, 13876880, 19427632, 24284540, 27753760, 38855264, 48569080, 55507520, 77710528, 97138160, 194276320, 388552640]

約数ペア:

[(1, 388552640), (2, 194276320), (4, 97138160), (5, 77710528), (7, 55507520), (8, 48569080), (10, 38855264), (14, 27753760), (16, 24284540), (20, 19427632), (28, 13876880), (32, 12142270), (35, 11101504), (40, 9713816), (56, 6938440), (64, 6071135), (70, 5550752), (80, 4856908), (89, 4365760), (112, 3469220), (140, 2775376), (160, 2428454), (178, 2182880), (224, 1734610), (280, 1387688), (320, 1214227), (356, 1091440), (445, 873152), (448, 867305), (560, 693844), (623, 623680), (712, 545720), (890, 436576), (1120, 346922), (1246, 311840), (1424, 272860), (1780, 218288), (1949, 199360), (2240, 173461), (2492, 155920), (2848, 136430), (3115, 124736), (3560, 109144), (3898, 99680), (4984, 77960), (5696, 68215), (6230, 62368), (7120, 54572), (7796, 49840), (9745, 39872), (9968, 38980), (12460, 31184), (13643, 28480), (14240, 27286), (15592, 24920), (19490, 19936)]