11770220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7643}}^1$

素因数の和:7670

約数の個数: 48

約数和(自身を含む): 30820608

約数和(自身を除く): 19050388

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 7643, 15286, 30572, 38215, 53501, 76430, 84073, 107002, 152860, 168146, 214004, 267505, 336292, 420365, 535010, 588511, 840730, 1070020, 1177022, 1681460, 2354044, 2942555, 5885110, 11770220]

約数ペア:

[(1, 11770220), (2, 5885110), (4, 2942555), (5, 2354044), (7, 1681460), (10, 1177022), (11, 1070020), (14, 840730), (20, 588511), (22, 535010), (28, 420365), (35, 336292), (44, 267505), (55, 214004), (70, 168146), (77, 152860), (110, 107002), (140, 84073), (154, 76430), (220, 53501), (308, 38215), (385, 30572), (770, 15286), (1540, 7643)]