77831180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3541}}^1$

素因数の和:3714

約数の個数: 48

約数和(自身を含む): 188037696

約数和(自身を除く): 110206516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 3541, 4396, 5495, 7082, 10990, 14164, 17705, 21980, 24787, 35410, 49574, 70820, 99148, 123935, 247870, 495740, 555937, 1111874, 2223748, 2779685, 3891559, 5559370, 7783118, 11118740, 15566236, 19457795, 38915590, 77831180]

約数ペア:

[(1, 77831180), (2, 38915590), (4, 19457795), (5, 15566236), (7, 11118740), (10, 7783118), (14, 5559370), (20, 3891559), (28, 2779685), (35, 2223748), (70, 1111874), (140, 555937), (157, 495740), (314, 247870), (628, 123935), (785, 99148), (1099, 70820), (1570, 49574), (2198, 35410), (3140, 24787), (3541, 21980), (4396, 17705), (5495, 14164), (7082, 10990)]