2640715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^3$

素因数の和:80

約数の個数: 32

約数和(自身を含む): 4170240

約数和(自身を除く): 1529525

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 361, 385, 665, 1045, 1463, 1805, 2527, 3971, 6859, 7315, 12635, 19855, 27797, 34295, 48013, 75449, 138985, 240065, 377245, 528143, 2640715]

約数ペア:

[(1, 2640715), (5, 528143), (7, 377245), (11, 240065), (19, 138985), (35, 75449), (55, 48013), (77, 34295), (95, 27797), (133, 19855), (209, 12635), (361, 7315), (385, 6859), (665, 3971), (1045, 2527), (1463, 1805)]