820132775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4787}}^1$

素因数の和:4904

約数の個数: 48

約数和(自身を含む): 1282417920

約数和(自身を除く): 462285145

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 89, 175, 275, 385, 445, 623, 979, 1925, 2225, 3115, 4787, 4895, 6853, 15575, 23935, 24475, 33509, 34265, 52657, 119675, 167545, 171325, 263285, 368599, 426043, 837725, 1316425, 1842995, 2130215, 2982301, 4686473, 9214975, 10651075, 14911505, 23432365, 32805311, 74557525, 117161825, 164026555, 820132775]

約数ペア:

[(1, 820132775), (5, 164026555), (7, 117161825), (11, 74557525), (25, 32805311), (35, 23432365), (55, 14911505), (77, 10651075), (89, 9214975), (175, 4686473), (275, 2982301), (385, 2130215), (445, 1842995), (623, 1316425), (979, 837725), (1925, 426043), (2225, 368599), (3115, 263285), (4787, 171325), (4895, 167545), (6853, 119675), (15575, 52657), (23935, 34265), (24475, 33509)]