28999040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{6473}}^1$

素因数の和:6499

約数の個数: 64

約数和(自身を含む): 79241760

約数和(自身を除く): 50242720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 6473, 12946, 25892, 32365, 45311, 51784, 64730, 90622, 103568, 129460, 181244, 207136, 226555, 258920, 362488, 414272, 453110, 517840, 724976, 828544, 906220, 1035680, 1449952, 1812440, 2071360, 2899904, 3624880, 4142720, 5799808, 7249760, 14499520, 28999040]

約数ペア:

[(1, 28999040), (2, 14499520), (4, 7249760), (5, 5799808), (7, 4142720), (8, 3624880), (10, 2899904), (14, 2071360), (16, 1812440), (20, 1449952), (28, 1035680), (32, 906220), (35, 828544), (40, 724976), (56, 517840), (64, 453110), (70, 414272), (80, 362488), (112, 258920), (128, 226555), (140, 207136), (160, 181244), (224, 129460), (280, 103568), (320, 90622), (448, 64730), (560, 51784), (640, 45311), (896, 32365), (1120, 25892), (2240, 12946), (4480, 6473)]