30742760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2129}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 73037700

約数和(自身を除く): 42294940

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2129, 2888, 3610, 4258, 7220, 8516, 10645, 14440, 17032, 21290, 40451, 42580, 80902, 85160, 161804, 202255, 323608, 404510, 768569, 809020, 1537138, 1618040, 3074276, 3842845, 6148552, 7685690, 15371380, 30742760]

約数ペア:

[(1, 30742760), (2, 15371380), (4, 7685690), (5, 6148552), (8, 3842845), (10, 3074276), (19, 1618040), (20, 1537138), (38, 809020), (40, 768569), (76, 404510), (95, 323608), (152, 202255), (190, 161804), (361, 85160), (380, 80902), (722, 42580), (760, 40451), (1444, 21290), (1805, 17032), (2129, 14440), (2888, 10645), (3610, 8516), (4258, 7220)]