1391600

素因数分解:

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

素因数の和:103

約数の個数: 90

約数和(自身を含む): 3943944

約数和(自身を除く): 2552344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 71, 80, 98, 100, 112, 140, 142, 175, 196, 200, 245, 280, 284, 350, 355, 392, 400, 490, 497, 560, 568, 700, 710, 784, 980, 994, 1136, 1225, 1400, 1420, 1775, 1960, 1988, 2450, 2485, 2800, 2840, 3479, 3550, 3920, 3976, 4900, 4970, 5680, 6958, 7100, 7952, 9800, 9940, 12425, 13916, 14200, 17395, 19600, 19880, 24850, 27832, 28400, 34790, 39760, 49700, 55664, 69580, 86975, 99400, 139160, 173950, 198800, 278320, 347900, 695800, 1391600]

約数ペア:

[(1, 1391600), (2, 695800), (4, 347900), (5, 278320), (7, 198800), (8, 173950), (10, 139160), (14, 99400), (16, 86975), (20, 69580), (25, 55664), (28, 49700), (35, 39760), (40, 34790), (49, 28400), (50, 27832), (56, 24850), (70, 19880), (71, 19600), (80, 17395), (98, 14200), (100, 13916), (112, 12425), (140, 9940), (142, 9800), (175, 7952), (196, 7100), (200, 6958), (245, 5680), (280, 4970), (284, 4900), (350, 3976), (355, 3920), (392, 3550), (400, 3479), (490, 2840), (497, 2800), (560, 2485), (568, 2450), (700, 1988), (710, 1960), (784, 1775), (980, 1420), (994, 1400), (1136, 1225)]