256922960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{458791}}^1$

素因数の和:458811

約数の個数: 40

約数和(自身を含む): 682682496

約数和(自身を除く): 425759536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 458791, 917582, 1835164, 2293955, 3211537, 3670328, 4587910, 6423074, 7340656, 9175820, 12846148, 16057685, 18351640, 25692296, 32115370, 36703280, 51384592, 64230740, 128461480, 256922960]

約数ペア:

[(1, 256922960), (2, 128461480), (4, 64230740), (5, 51384592), (7, 36703280), (8, 32115370), (10, 25692296), (14, 18351640), (16, 16057685), (20, 12846148), (28, 9175820), (35, 7340656), (40, 6423074), (56, 4587910), (70, 3670328), (80, 3211537), (112, 2293955), (140, 1835164), (280, 917582), (560, 458791)]