447260240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1607}}^1$

素因数の和:1705

約数の個数: 120

約数和(自身を含む): 1227457152

約数和(自身を除く): 780196912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 560, 568, 710, 784, 980, 994, 1136, 1420, 1607, 1960, 1988, 2485, 2840, 3214, 3479, 3920, 3976, 4970, 5680, 6428, 6958, 7952, 8035, 9940, 11249, 12856, 13916, 16070, 17395, 19880, 22498, 25712, 27832, 32140, 34790, 39760, 44996, 55664, 56245, 64280, 69580, 78743, 89992, 112490, 114097, 128560, 139160, 157486, 179984, 224980, 228194, 278320, 314972, 393715, 449960, 456388, 570485, 629944, 787430, 798679, 899920, 912776, 1140970, 1259888, 1574860, 1597358, 1825552, 2281940, 3149720, 3194716, 3993395, 4563880, 5590753, 6299440, 6389432, 7986790, 9127760, 11181506, 12778864, 15973580, 22363012, 27953765, 31947160, 44726024, 55907530, 63894320, 89452048, 111815060, 223630120, 447260240]

約数ペア:

[(1, 447260240), (2, 223630120), (4, 111815060), (5, 89452048), (7, 63894320), (8, 55907530), (10, 44726024), (14, 31947160), (16, 27953765), (20, 22363012), (28, 15973580), (35, 12778864), (40, 11181506), (49, 9127760), (56, 7986790), (70, 6389432), (71, 6299440), (80, 5590753), (98, 4563880), (112, 3993395), (140, 3194716), (142, 3149720), (196, 2281940), (245, 1825552), (280, 1597358), (284, 1574860), (355, 1259888), (392, 1140970), (490, 912776), (497, 899920), (560, 798679), (568, 787430), (710, 629944), (784, 570485), (980, 456388), (994, 449960), (1136, 393715), (1420, 314972), (1607, 278320), (1960, 228194), (1988, 224980), (2485, 179984), (2840, 157486), (3214, 139160), (3479, 128560), (3920, 114097), (3976, 112490), (4970, 89992), (5680, 78743), (6428, 69580), (6958, 64280), (7952, 56245), (8035, 55664), (9940, 44996), (11249, 39760), (12856, 34790), (13916, 32140), (16070, 27832), (17395, 25712), (19880, 22498)]