400000090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{5437}}^1$

素因数の和:6502

約数の個数: 32

約数和(自身を含む): 823791744

約数和(自身を除く): 423791654

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1051, 2102, 5255, 5437, 7357, 10510, 10874, 14714, 27185, 36785, 38059, 54370, 73570, 76118, 190295, 380590, 5714287, 11428574, 28571435, 40000009, 57142870, 80000018, 200000045, 400000090]

約数ペア:

[(1, 400000090), (2, 200000045), (5, 80000018), (7, 57142870), (10, 40000009), (14, 28571435), (35, 11428574), (70, 5714287), (1051, 380590), (2102, 190295), (5255, 76118), (5437, 73570), (7357, 54370), (10510, 38059), (10874, 36785), (14714, 27185)]