7840010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 14929920

約数和(自身を除く): 7089910

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 383, 445, 766, 890, 1915, 2047, 3830, 4094, 8809, 10235, 17618, 20470, 34087, 44045, 68174, 88090, 170435, 340870, 784001, 1568002, 3920005, 7840010]

約数ペア:

[(1, 7840010), (2, 3920005), (5, 1568002), (10, 784001), (23, 340870), (46, 170435), (89, 88090), (115, 68174), (178, 44045), (230, 34087), (383, 20470), (445, 17618), (766, 10235), (890, 8809), (1915, 4094), (2047, 3830)]