310067990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{2543}}^1$

素因数の和:2776

約数の個数: 32

約数和(自身を含む): 568736640

約数和(自身を除く): 258668650

約数列:

[1, 2, 5, 10, 89, 137, 178, 274, 445, 685, 890, 1370, 2543, 5086, 12193, 12715, 24386, 25430, 60965, 121930, 226327, 348391, 452654, 696782, 1131635, 1741955, 2263270, 3483910, 31006799, 62013598, 155033995, 310067990]

約数ペア:

[(1, 310067990), (2, 155033995), (5, 62013598), (10, 31006799), (89, 3483910), (137, 2263270), (178, 1741955), (274, 1131635), (445, 696782), (685, 452654), (890, 348391), (1370, 226327), (2543, 121930), (5086, 60965), (12193, 25430), (12715, 24386)]