389419520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:762

約数の個数: 160

約数和(自身を含む): 1103072256

約数和(自身を除く): 713652736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 701, 868, 896, 992, 1085, 1120, 1240, 1280, 1402, 1736, 1792, 1984, 2170, 2240, 2480, 2560, 2804, 3472, 3505, 3584, 3968, 4340, 4480, 4907, 4960, 5608, 6944, 7010, 7936, 8680, 8960, 9814, 9920, 11216, 13888, 14020, 15872, 17360, 17920, 19628, 19840, 21731, 22432, 24535, 27776, 28040, 34720, 39256, 39680, 43462, 44864, 49070, 55552, 56080, 69440, 78512, 79360, 86924, 89728, 98140, 108655, 111104, 112160, 138880, 152117, 157024, 173848, 179456, 196280, 217310, 224320, 277760, 304234, 314048, 347696, 358912, 392560, 434620, 448640, 555520, 608468, 628096, 695392, 760585, 785120, 869240, 897280, 1216936, 1256192, 1390784, 1521170, 1570240, 1738480, 1794560, 2433872, 2512384, 2781568, 3042340, 3140480, 3476960, 4867744, 5563136, 6084680, 6280960, 6953920, 9735488, 11126272, 12169360, 12561920, 13907840, 19470976, 24338720, 27815680, 38941952, 48677440, 55631360, 77883904, 97354880, 194709760, 389419520]

約数ペア:

[(1, 389419520), (2, 194709760), (4, 97354880), (5, 77883904), (7, 55631360), (8, 48677440), (10, 38941952), (14, 27815680), (16, 24338720), (20, 19470976), (28, 13907840), (31, 12561920), (32, 12169360), (35, 11126272), (40, 9735488), (56, 6953920), (62, 6280960), (64, 6084680), (70, 5563136), (80, 4867744), (112, 3476960), (124, 3140480), (128, 3042340), (140, 2781568), (155, 2512384), (160, 2433872), (217, 1794560), (224, 1738480), (248, 1570240), (256, 1521170), (280, 1390784), (310, 1256192), (320, 1216936), (434, 897280), (448, 869240), (496, 785120), (512, 760585), (560, 695392), (620, 628096), (640, 608468), (701, 555520), (868, 448640), (896, 434620), (992, 392560), (1085, 358912), (1120, 347696), (1240, 314048), (1280, 304234), (1402, 277760), (1736, 224320), (1792, 217310), (1984, 196280), (2170, 179456), (2240, 173848), (2480, 157024), (2560, 152117), (2804, 138880), (3472, 112160), (3505, 111104), (3584, 108655), (3968, 98140), (4340, 89728), (4480, 86924), (4907, 79360), (4960, 78512), (5608, 69440), (6944, 56080), (7010, 55552), (7936, 49070), (8680, 44864), (8960, 43462), (9814, 39680), (9920, 39256), (11216, 34720), (13888, 28040), (14020, 27776), (15872, 24535), (17360, 22432), (17920, 21731), (19628, 19840)]